287961840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17389}}^1$

素因数の和:17431

約数の個数: 120

約数和(自身を含む): 1009176480

約数和(自身を除く): 721214640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3312, 4140, 5520, 8280, 16560, 17389, 34778, 52167, 69556, 86945, 104334, 139112, 156501, 173890, 208668, 260835, 278224, 313002, 347780, 399947, 417336, 521670, 626004, 695560, 782505, 799894, 834672, 1043340, 1199841, 1252008, 1391120, 1565010, 1599788, 1999735, 2086680, 2399682, 2504016, 3130020, 3199576, 3599523, 3999470, 4173360, 4799364, 5999205, 6260040, 6399152, 7199046, 7998940, 9598728, 11998410, 12520080, 14398092, 15997880, 17997615, 19197456, 23996820, 28796184, 31995760, 35995230, 47993640, 57592368, 71990460, 95987280, 143980920, 287961840]

約数ペア:

[(1, 287961840), (2, 143980920), (3, 95987280), (4, 71990460), (5, 57592368), (6, 47993640), (8, 35995230), (9, 31995760), (10, 28796184), (12, 23996820), (15, 19197456), (16, 17997615), (18, 15997880), (20, 14398092), (23, 12520080), (24, 11998410), (30, 9598728), (36, 7998940), (40, 7199046), (45, 6399152), (46, 6260040), (48, 5999205), (60, 4799364), (69, 4173360), (72, 3999470), (80, 3599523), (90, 3199576), (92, 3130020), (115, 2504016), (120, 2399682), (138, 2086680), (144, 1999735), (180, 1599788), (184, 1565010), (207, 1391120), (230, 1252008), (240, 1199841), (276, 1043340), (345, 834672), (360, 799894), (368, 782505), (414, 695560), (460, 626004), (552, 521670), (690, 417336), (720, 399947), (828, 347780), (920, 313002), (1035, 278224), (1104, 260835), (1380, 208668), (1656, 173890), (1840, 156501), (2070, 139112), (2760, 104334), (3312, 86945), (4140, 69556), (5520, 52167), (8280, 34778), (16560, 17389)]