78704460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2557}}^1$

素因数の和:2597

約数の個数: 120

約数和(自身を含む): 259995120

約数和(自身を除く): 181290660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2557, 2565, 3078, 3420, 5114, 5130, 6156, 7671, 7695, 10228, 10260, 12785, 15342, 15390, 23013, 25570, 30684, 30780, 38355, 46026, 48583, 51140, 69039, 76710, 92052, 97166, 115065, 138078, 145749, 153420, 194332, 207117, 230130, 242915, 276156, 291498, 345195, 414234, 437247, 460260, 485830, 582996, 690390, 728745, 828468, 874494, 971660, 1035585, 1311741, 1380780, 1457490, 1748988, 2071170, 2186235, 2623482, 2914980, 3935223, 4142340, 4372470, 5246964, 6558705, 7870446, 8744940, 13117410, 15740892, 19676115, 26234820, 39352230, 78704460]

約数ペア:

[(1, 78704460), (2, 39352230), (3, 26234820), (4, 19676115), (5, 15740892), (6, 13117410), (9, 8744940), (10, 7870446), (12, 6558705), (15, 5246964), (18, 4372470), (19, 4142340), (20, 3935223), (27, 2914980), (30, 2623482), (36, 2186235), (38, 2071170), (45, 1748988), (54, 1457490), (57, 1380780), (60, 1311741), (76, 1035585), (81, 971660), (90, 874494), (95, 828468), (108, 728745), (114, 690390), (135, 582996), (162, 485830), (171, 460260), (180, 437247), (190, 414234), (228, 345195), (270, 291498), (285, 276156), (324, 242915), (342, 230130), (380, 207117), (405, 194332), (513, 153420), (540, 145749), (570, 138078), (684, 115065), (810, 97166), (855, 92052), (1026, 76710), (1140, 69039), (1539, 51140), (1620, 48583), (1710, 46026), (2052, 38355), (2557, 30780), (2565, 30684), (3078, 25570), (3420, 23013), (5114, 15390), (5130, 15342), (6156, 12785), (7671, 10260), (7695, 10228)]