64687920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:363

約数の個数: 160

約数和(自身を含む): 221771520

約数和(自身を除く): 157083600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 107, 110, 120, 132, 165, 176, 214, 220, 229, 240, 264, 321, 330, 428, 440, 458, 528, 535, 642, 660, 687, 856, 880, 916, 1070, 1145, 1177, 1284, 1320, 1374, 1605, 1712, 1832, 2140, 2290, 2354, 2519, 2568, 2640, 2748, 3210, 3435, 3531, 3664, 4280, 4580, 4708, 5038, 5136, 5496, 5885, 6420, 6870, 7062, 7557, 8560, 9160, 9416, 10076, 10992, 11770, 12595, 12840, 13740, 14124, 15114, 17655, 18320, 18832, 20152, 23540, 24503, 25190, 25680, 27480, 28248, 30228, 35310, 37785, 40304, 47080, 49006, 50380, 54960, 56496, 60456, 70620, 73509, 75570, 94160, 98012, 100760, 120912, 122515, 141240, 147018, 151140, 196024, 201520, 245030, 269533, 282480, 294036, 302280, 367545, 392048, 490060, 539066, 588072, 604560, 735090, 808599, 980120, 1078132, 1176144, 1347665, 1470180, 1617198, 1960240, 2156264, 2695330, 2940360, 3234396, 4042995, 4312528, 5390660, 5880720, 6468792, 8085990, 10781320, 12937584, 16171980, 21562640, 32343960, 64687920]

約数ペア:

[(1, 64687920), (2, 32343960), (3, 21562640), (4, 16171980), (5, 12937584), (6, 10781320), (8, 8085990), (10, 6468792), (11, 5880720), (12, 5390660), (15, 4312528), (16, 4042995), (20, 3234396), (22, 2940360), (24, 2695330), (30, 2156264), (33, 1960240), (40, 1617198), (44, 1470180), (48, 1347665), (55, 1176144), (60, 1078132), (66, 980120), (80, 808599), (88, 735090), (107, 604560), (110, 588072), (120, 539066), (132, 490060), (165, 392048), (176, 367545), (214, 302280), (220, 294036), (229, 282480), (240, 269533), (264, 245030), (321, 201520), (330, 196024), (428, 151140), (440, 147018), (458, 141240), (528, 122515), (535, 120912), (642, 100760), (660, 98012), (687, 94160), (856, 75570), (880, 73509), (916, 70620), (1070, 60456), (1145, 56496), (1177, 54960), (1284, 50380), (1320, 49006), (1374, 47080), (1605, 40304), (1712, 37785), (1832, 35310), (2140, 30228), (2290, 28248), (2354, 27480), (2519, 25680), (2568, 25190), (2640, 24503), (2748, 23540), (3210, 20152), (3435, 18832), (3531, 18320), (3664, 17655), (4280, 15114), (4580, 14124), (4708, 13740), (5038, 12840), (5136, 12595), (5496, 11770), (5885, 10992), (6420, 10076), (6870, 9416), (7062, 9160), (7557, 8560)]