421176420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:355

約数の個数: 288

約数和(自身を含む): 1564442880

約数和(自身を除く): 1143266460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 73, 76, 84, 90, 95, 105, 114, 126, 133, 140, 146, 171, 180, 190, 210, 219, 228, 241, 252, 266, 285, 292, 315, 342, 365, 380, 399, 420, 438, 482, 511, 532, 570, 630, 657, 665, 684, 723, 730, 798, 855, 876, 964, 1022, 1095, 1140, 1197, 1205, 1260, 1314, 1330, 1387, 1446, 1460, 1533, 1596, 1687, 1710, 1995, 2044, 2169, 2190, 2394, 2410, 2555, 2628, 2660, 2774, 2892, 3066, 3285, 3374, 3420, 3615, 3990, 4161, 4338, 4380, 4579, 4599, 4788, 4820, 5061, 5110, 5548, 5985, 6132, 6570, 6748, 6935, 7230, 7665, 7980, 8322, 8435, 8676, 9158, 9198, 9709, 10122, 10220, 10845, 11970, 12483, 13140, 13737, 13870, 14460, 15183, 15330, 16644, 16870, 17593, 18316, 18396, 19418, 20244, 20805, 21690, 22895, 22995, 23940, 24966, 25305, 27474, 27740, 29127, 30366, 30660, 32053, 33740, 35186, 38836, 41211, 41610, 43380, 45790, 45990, 48545, 49932, 50610, 52779, 54948, 58254, 60732, 62415, 64106, 68685, 70372, 75915, 82422, 83220, 87381, 87965, 91580, 91980, 96159, 97090, 101220, 105558, 116508, 123151, 124830, 128212, 137370, 145635, 151830, 158337, 160265, 164844, 174762, 175930, 192318, 194180, 206055, 211116, 246302, 249660, 263895, 274740, 288477, 291270, 303660, 316674, 320530, 334267, 349524, 351860, 369453, 384636, 412110, 436905, 480795, 492604, 527790, 576954, 582540, 615755, 633348, 641060, 668534, 738906, 791685, 824220, 873810, 961590, 1002801, 1055580, 1108359, 1153908, 1231510, 1337068, 1442385, 1477812, 1583370, 1671335, 1747620, 1847265, 1923180, 2005602, 2216718, 2339869, 2463020, 2884770, 3008403, 3166740, 3342670, 3694530, 4011204, 4433436, 4679738, 5014005, 5541795, 5769540, 6016806, 6685340, 7019607, 7389060, 9359476, 10028010, 11083590, 11699345, 12033612, 14039214, 15042015, 20056020, 21058821, 22167180, 23398690, 28078428, 30084030, 35098035, 42117642, 46797380, 60168060, 70196070, 84235284, 105294105, 140392140, 210588210, 421176420]

約数ペア:

[(1, 421176420), (2, 210588210), (3, 140392140), (4, 105294105), (5, 84235284), (6, 70196070), (7, 60168060), (9, 46797380), (10, 42117642), (12, 35098035), (14, 30084030), (15, 28078428), (18, 23398690), (19, 22167180), (20, 21058821), (21, 20056020), (28, 15042015), (30, 14039214), (35, 12033612), (36, 11699345), (38, 11083590), (42, 10028010), (45, 9359476), (57, 7389060), (60, 7019607), (63, 6685340), (70, 6016806), (73, 5769540), (76, 5541795), (84, 5014005), (90, 4679738), (95, 4433436), (105, 4011204), (114, 3694530), (126, 3342670), (133, 3166740), (140, 3008403), (146, 2884770), (171, 2463020), (180, 2339869), (190, 2216718), (210, 2005602), (219, 1923180), (228, 1847265), (241, 1747620), (252, 1671335), (266, 1583370), (285, 1477812), (292, 1442385), (315, 1337068), (342, 1231510), (365, 1153908), (380, 1108359), (399, 1055580), (420, 1002801), (438, 961590), (482, 873810), (511, 824220), (532, 791685), (570, 738906), (630, 668534), (657, 641060), (665, 633348), (684, 615755), (723, 582540), (730, 576954), (798, 527790), (855, 492604), (876, 480795), (964, 436905), (1022, 412110), (1095, 384636), (1140, 369453), (1197, 351860), (1205, 349524), (1260, 334267), (1314, 320530), (1330, 316674), (1387, 303660), (1446, 291270), (1460, 288477), (1533, 274740), (1596, 263895), (1687, 249660), (1710, 246302), (1995, 211116), (2044, 206055), (2169, 194180), (2190, 192318), (2394, 175930), (2410, 174762), (2555, 164844), (2628, 160265), (2660, 158337), (2774, 151830), (2892, 145635), (3066, 137370), (3285, 128212), (3374, 124830), (3420, 123151), (3615, 116508), (3990, 105558), (4161, 101220), (4338, 97090), (4380, 96159), (4579, 91980), (4599, 91580), (4788, 87965), (4820, 87381), (5061, 83220), (5110, 82422), (5548, 75915), (5985, 70372), (6132, 68685), (6570, 64106), (6748, 62415), (6935, 60732), (7230, 58254), (7665, 54948), (7980, 52779), (8322, 50610), (8435, 49932), (8676, 48545), (9158, 45990), (9198, 45790), (9709, 43380), (10122, 41610), (10220, 41211), (10845, 38836), (11970, 35186), (12483, 33740), (13140, 32053), (13737, 30660), (13870, 30366), (14460, 29127), (15183, 27740), (15330, 27474), (16644, 25305), (16870, 24966), (17593, 23940), (18316, 22995), (18396, 22895), (19418, 21690), (20244, 20805)]