71312280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2689}}^1$

素因数の和:2733

約数の個数: 128

約数和(自身を含む): 244036800

約数和(自身を除く): 172724520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 2689, 3315, 4420, 5304, 5378, 6630, 8067, 8840, 10756, 13260, 13445, 16134, 21512, 26520, 26890, 32268, 34957, 40335, 45713, 53780, 64536, 69914, 80670, 91426, 104871, 107560, 137139, 139828, 161340, 174785, 182852, 209742, 228565, 274278, 279656, 322680, 349570, 365704, 419484, 457130, 524355, 548556, 594269, 685695, 699140, 838968, 914260, 1048710, 1097112, 1188538, 1371390, 1398280, 1782807, 1828520, 2097420, 2377076, 2742780, 2971345, 3565614, 4194840, 4754152, 5485560, 5942690, 7131228, 8914035, 11885380, 14262456, 17828070, 23770760, 35656140, 71312280]

約数ペア:

[(1, 71312280), (2, 35656140), (3, 23770760), (4, 17828070), (5, 14262456), (6, 11885380), (8, 8914035), (10, 7131228), (12, 5942690), (13, 5485560), (15, 4754152), (17, 4194840), (20, 3565614), (24, 2971345), (26, 2742780), (30, 2377076), (34, 2097420), (39, 1828520), (40, 1782807), (51, 1398280), (52, 1371390), (60, 1188538), (65, 1097112), (68, 1048710), (78, 914260), (85, 838968), (102, 699140), (104, 685695), (120, 594269), (130, 548556), (136, 524355), (156, 457130), (170, 419484), (195, 365704), (204, 349570), (221, 322680), (255, 279656), (260, 274278), (312, 228565), (340, 209742), (390, 182852), (408, 174785), (442, 161340), (510, 139828), (520, 137139), (663, 107560), (680, 104871), (780, 91426), (884, 80670), (1020, 69914), (1105, 64536), (1326, 53780), (1560, 45713), (1768, 40335), (2040, 34957), (2210, 32268), (2652, 26890), (2689, 26520), (3315, 21512), (4420, 16134), (5304, 13445), (5378, 13260), (6630, 10756), (8067, 8840)]