820245960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:673

約数の個数: 256

約数和(自身を含む): 2923776000

約数和(自身を除く): 2103530040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 71, 72, 76, 90, 95, 108, 114, 120, 135, 142, 152, 171, 180, 190, 213, 216, 228, 270, 284, 285, 342, 355, 360, 380, 426, 456, 513, 540, 563, 568, 570, 639, 684, 710, 760, 852, 855, 1026, 1065, 1080, 1126, 1140, 1278, 1349, 1368, 1420, 1689, 1704, 1710, 1917, 2052, 2130, 2252, 2280, 2556, 2565, 2698, 2815, 2840, 3195, 3378, 3420, 3834, 4047, 4104, 4260, 4504, 5067, 5112, 5130, 5396, 5630, 6390, 6745, 6756, 6840, 7668, 8094, 8445, 8520, 9585, 10134, 10260, 10697, 10792, 11260, 12141, 12780, 13490, 13512, 15201, 15336, 16188, 16890, 19170, 20235, 20268, 20520, 21394, 22520, 24282, 25335, 25560, 26980, 30402, 32091, 32376, 33780, 36423, 38340, 39973, 40470, 40536, 42788, 48564, 50670, 53485, 53960, 60705, 60804, 64182, 67560, 72846, 76005, 76680, 79946, 80940, 85576, 96273, 97128, 101340, 106970, 119919, 121410, 121608, 128364, 145692, 152010, 159892, 160455, 161880, 182115, 192546, 199865, 202680, 213940, 239838, 242820, 256728, 288819, 291384, 304020, 319784, 320910, 359757, 364230, 385092, 399730, 427880, 479676, 481365, 485640, 577638, 599595, 608040, 641820, 719514, 728460, 759487, 770184, 799460, 959352, 962730, 1079271, 1155276, 1199190, 1283640, 1439028, 1444095, 1456920, 1518974, 1598920, 1798785, 1925460, 2158542, 2278461, 2310552, 2398380, 2878056, 2888190, 3037948, 3597570, 3797435, 3850920, 4317084, 4556922, 4796760, 5396355, 5776380, 6075896, 6835383, 7195140, 7594870, 8634168, 9113844, 10792710, 11392305, 11552760, 13670766, 14390280, 15189740, 18227688, 20506149, 21585420, 22784610, 27341532, 30379480, 34176915, 41012298, 43170840, 45569220, 54683064, 68353830, 82024596, 91138440, 102530745, 136707660, 164049192, 205061490, 273415320, 410122980, 820245960]

約数ペア:

[(1, 820245960), (2, 410122980), (3, 273415320), (4, 205061490), (5, 164049192), (6, 136707660), (8, 102530745), (9, 91138440), (10, 82024596), (12, 68353830), (15, 54683064), (18, 45569220), (19, 43170840), (20, 41012298), (24, 34176915), (27, 30379480), (30, 27341532), (36, 22784610), (38, 21585420), (40, 20506149), (45, 18227688), (54, 15189740), (57, 14390280), (60, 13670766), (71, 11552760), (72, 11392305), (76, 10792710), (90, 9113844), (95, 8634168), (108, 7594870), (114, 7195140), (120, 6835383), (135, 6075896), (142, 5776380), (152, 5396355), (171, 4796760), (180, 4556922), (190, 4317084), (213, 3850920), (216, 3797435), (228, 3597570), (270, 3037948), (284, 2888190), (285, 2878056), (342, 2398380), (355, 2310552), (360, 2278461), (380, 2158542), (426, 1925460), (456, 1798785), (513, 1598920), (540, 1518974), (563, 1456920), (568, 1444095), (570, 1439028), (639, 1283640), (684, 1199190), (710, 1155276), (760, 1079271), (852, 962730), (855, 959352), (1026, 799460), (1065, 770184), (1080, 759487), (1126, 728460), (1140, 719514), (1278, 641820), (1349, 608040), (1368, 599595), (1420, 577638), (1689, 485640), (1704, 481365), (1710, 479676), (1917, 427880), (2052, 399730), (2130, 385092), (2252, 364230), (2280, 359757), (2556, 320910), (2565, 319784), (2698, 304020), (2815, 291384), (2840, 288819), (3195, 256728), (3378, 242820), (3420, 239838), (3834, 213940), (4047, 202680), (4104, 199865), (4260, 192546), (4504, 182115), (5067, 161880), (5112, 160455), (5130, 159892), (5396, 152010), (5630, 145692), (6390, 128364), (6745, 121608), (6756, 121410), (6840, 119919), (7668, 106970), (8094, 101340), (8445, 97128), (8520, 96273), (9585, 85576), (10134, 80940), (10260, 79946), (10697, 76680), (10792, 76005), (11260, 72846), (12141, 67560), (12780, 64182), (13490, 60804), (13512, 60705), (15201, 53960), (15336, 53485), (16188, 50670), (16890, 48564), (19170, 42788), (20235, 40536), (20268, 40470), (20520, 39973), (21394, 38340), (22520, 36423), (24282, 33780), (25335, 32376), (25560, 32091), (26980, 30402)]