121279360

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 313295040

約数和(自身を除く): 192015680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 71, 80, 85, 128, 136, 142, 157, 160, 170, 272, 284, 314, 320, 340, 355, 544, 568, 628, 640, 680, 710, 785, 1088, 1136, 1207, 1256, 1360, 1420, 1570, 2176, 2272, 2414, 2512, 2669, 2720, 2840, 3140, 4544, 4828, 5024, 5338, 5440, 5680, 6035, 6280, 9088, 9656, 10048, 10676, 10880, 11147, 11360, 12070, 12560, 13345, 19312, 20096, 21352, 22294, 22720, 24140, 25120, 26690, 38624, 42704, 44588, 45440, 48280, 50240, 53380, 55735, 77248, 85408, 89176, 96560, 100480, 106760, 111470, 154496, 170816, 178352, 189499, 193120, 213520, 222940, 341632, 356704, 378998, 386240, 427040, 445880, 713408, 757996, 772480, 854080, 891760, 947495, 1426816, 1515992, 1708160, 1783520, 1894990, 3031984, 3567040, 3789980, 6063968, 7134080, 7579960, 12127936, 15159920, 24255872, 30319840, 60639680, 121279360]

約数ペア:

[(1, 121279360), (2, 60639680), (4, 30319840), (5, 24255872), (8, 15159920), (10, 12127936), (16, 7579960), (17, 7134080), (20, 6063968), (32, 3789980), (34, 3567040), (40, 3031984), (64, 1894990), (68, 1783520), (71, 1708160), (80, 1515992), (85, 1426816), (128, 947495), (136, 891760), (142, 854080), (157, 772480), (160, 757996), (170, 713408), (272, 445880), (284, 427040), (314, 386240), (320, 378998), (340, 356704), (355, 341632), (544, 222940), (568, 213520), (628, 193120), (640, 189499), (680, 178352), (710, 170816), (785, 154496), (1088, 111470), (1136, 106760), (1207, 100480), (1256, 96560), (1360, 89176), (1420, 85408), (1570, 77248), (2176, 55735), (2272, 53380), (2414, 50240), (2512, 48280), (2669, 45440), (2720, 44588), (2840, 42704), (3140, 38624), (4544, 26690), (4828, 25120), (5024, 24140), (5338, 22720), (5440, 22294), (5680, 21352), (6035, 20096), (6280, 19312), (9088, 13345), (9656, 12560), (10048, 12070), (10676, 11360), (10880, 11147)]