74221980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 192

約数和(自身を含む): 255467520

約数和(自身を除く): 181245540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 71, 76, 84, 95, 105, 114, 131, 133, 140, 142, 190, 210, 213, 228, 262, 266, 284, 285, 355, 380, 393, 399, 420, 426, 497, 524, 532, 570, 655, 665, 710, 786, 798, 852, 917, 994, 1065, 1140, 1310, 1330, 1349, 1420, 1491, 1572, 1596, 1834, 1965, 1988, 1995, 2130, 2485, 2489, 2620, 2660, 2698, 2751, 2982, 3668, 3930, 3990, 4047, 4260, 4585, 4970, 4978, 5396, 5502, 5964, 6745, 7455, 7467, 7860, 7980, 8094, 9170, 9301, 9443, 9940, 9956, 11004, 12445, 13490, 13755, 14910, 14934, 16188, 17423, 18340, 18602, 18886, 20235, 24890, 26980, 27510, 27903, 28329, 29820, 29868, 34846, 37204, 37335, 37772, 40470, 46505, 47215, 49780, 52269, 55020, 55806, 56658, 65107, 69692, 74670, 80940, 87115, 93010, 94430, 104538, 111612, 113316, 130214, 139515, 141645, 149340, 174230, 176719, 186020, 188860, 195321, 209076, 260428, 261345, 279030, 283290, 325535, 348460, 353438, 390642, 522690, 530157, 558060, 566580, 651070, 706876, 781284, 883595, 976605, 1045380, 1060314, 1237033, 1302140, 1767190, 1953210, 2120628, 2474066, 2650785, 3534380, 3711099, 3906420, 4948132, 5301570, 6185165, 7422198, 10603140, 12370330, 14844396, 18555495, 24740660, 37110990, 74221980]

約数ペア:

[(1, 74221980), (2, 37110990), (3, 24740660), (4, 18555495), (5, 14844396), (6, 12370330), (7, 10603140), (10, 7422198), (12, 6185165), (14, 5301570), (15, 4948132), (19, 3906420), (20, 3711099), (21, 3534380), (28, 2650785), (30, 2474066), (35, 2120628), (38, 1953210), (42, 1767190), (57, 1302140), (60, 1237033), (70, 1060314), (71, 1045380), (76, 976605), (84, 883595), (95, 781284), (105, 706876), (114, 651070), (131, 566580), (133, 558060), (140, 530157), (142, 522690), (190, 390642), (210, 353438), (213, 348460), (228, 325535), (262, 283290), (266, 279030), (284, 261345), (285, 260428), (355, 209076), (380, 195321), (393, 188860), (399, 186020), (420, 176719), (426, 174230), (497, 149340), (524, 141645), (532, 139515), (570, 130214), (655, 113316), (665, 111612), (710, 104538), (786, 94430), (798, 93010), (852, 87115), (917, 80940), (994, 74670), (1065, 69692), (1140, 65107), (1310, 56658), (1330, 55806), (1349, 55020), (1420, 52269), (1491, 49780), (1572, 47215), (1596, 46505), (1834, 40470), (1965, 37772), (1988, 37335), (1995, 37204), (2130, 34846), (2485, 29868), (2489, 29820), (2620, 28329), (2660, 27903), (2698, 27510), (2751, 26980), (2982, 24890), (3668, 20235), (3930, 18886), (3990, 18602), (4047, 18340), (4260, 17423), (4585, 16188), (4970, 14934), (4978, 14910), (5396, 13755), (5502, 13490), (5964, 12445), (6745, 11004), (7455, 9956), (7467, 9940), (7860, 9443), (7980, 9301), (8094, 9170)]