247686660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:672

約数の個数: 240

約数和(自身を含む): 882235200

約数和(自身を除く): 634548540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 81, 90, 95, 108, 114, 117, 130, 135, 156, 162, 171, 180, 190, 195, 228, 234, 247, 260, 270, 285, 324, 342, 351, 380, 390, 405, 468, 494, 513, 540, 570, 585, 619, 684, 702, 741, 780, 810, 855, 988, 1026, 1053, 1140, 1170, 1235, 1238, 1404, 1482, 1539, 1620, 1710, 1755, 1857, 2052, 2106, 2223, 2340, 2470, 2476, 2565, 2964, 3078, 3095, 3420, 3510, 3705, 3714, 4212, 4446, 4940, 5130, 5265, 5571, 6156, 6190, 6669, 7020, 7410, 7428, 7695, 8047, 8892, 9285, 10260, 10530, 11115, 11142, 11761, 12380, 13338, 14820, 15390, 16094, 16713, 18570, 20007, 21060, 22230, 22284, 23522, 24141, 26676, 27855, 30780, 32188, 33345, 33426, 35283, 37140, 40014, 40235, 44460, 47044, 48282, 50139, 55710, 58805, 66690, 66852, 70566, 72423, 80028, 80470, 83565, 96564, 100035, 100278, 105849, 111420, 117610, 120705, 133380, 141132, 144846, 152893, 160940, 167130, 176415, 200070, 200556, 211698, 217269, 235220, 241410, 250695, 289692, 305786, 317547, 334260, 352830, 362115, 400140, 423396, 434538, 458679, 482820, 501390, 529245, 611572, 635094, 651807, 705660, 724230, 764465, 869076, 917358, 952641, 1002780, 1058490, 1086345, 1270188, 1303614, 1376037, 1448460, 1528930, 1587735, 1834716, 1905282, 2116980, 2172690, 2293395, 2607228, 2752074, 3057860, 3175470, 3259035, 3810564, 4128111, 4345380, 4586790, 4763205, 5504148, 6350940, 6518070, 6880185, 8256222, 9173580, 9526410, 12384333, 13036140, 13760370, 16512444, 19052820, 20640555, 24768666, 27520740, 41281110, 49537332, 61921665, 82562220, 123843330, 247686660]

約数ペア:

[(1, 247686660), (2, 123843330), (3, 82562220), (4, 61921665), (5, 49537332), (6, 41281110), (9, 27520740), (10, 24768666), (12, 20640555), (13, 19052820), (15, 16512444), (18, 13760370), (19, 13036140), (20, 12384333), (26, 9526410), (27, 9173580), (30, 8256222), (36, 6880185), (38, 6518070), (39, 6350940), (45, 5504148), (52, 4763205), (54, 4586790), (57, 4345380), (60, 4128111), (65, 3810564), (76, 3259035), (78, 3175470), (81, 3057860), (90, 2752074), (95, 2607228), (108, 2293395), (114, 2172690), (117, 2116980), (130, 1905282), (135, 1834716), (156, 1587735), (162, 1528930), (171, 1448460), (180, 1376037), (190, 1303614), (195, 1270188), (228, 1086345), (234, 1058490), (247, 1002780), (260, 952641), (270, 917358), (285, 869076), (324, 764465), (342, 724230), (351, 705660), (380, 651807), (390, 635094), (405, 611572), (468, 529245), (494, 501390), (513, 482820), (540, 458679), (570, 434538), (585, 423396), (619, 400140), (684, 362115), (702, 352830), (741, 334260), (780, 317547), (810, 305786), (855, 289692), (988, 250695), (1026, 241410), (1053, 235220), (1140, 217269), (1170, 211698), (1235, 200556), (1238, 200070), (1404, 176415), (1482, 167130), (1539, 160940), (1620, 152893), (1710, 144846), (1755, 141132), (1857, 133380), (2052, 120705), (2106, 117610), (2223, 111420), (2340, 105849), (2470, 100278), (2476, 100035), (2565, 96564), (2964, 83565), (3078, 80470), (3095, 80028), (3420, 72423), (3510, 70566), (3705, 66852), (3714, 66690), (4212, 58805), (4446, 55710), (4940, 50139), (5130, 48282), (5265, 47044), (5571, 44460), (6156, 40235), (6190, 40014), (6669, 37140), (7020, 35283), (7410, 33426), (7428, 33345), (7695, 32188), (8047, 30780), (8892, 27855), (9285, 26676), (10260, 24141), (10530, 23522), (11115, 22284), (11142, 22230), (11761, 21060), (12380, 20007), (13338, 18570), (14820, 16713), (15390, 16094)]