2544556440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{2333}}^1$

素因数の和:2557

約数の個数: 128

約数和(自身を含む): 7814232000

約数和(自身を除く): 5269675560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 149, 183, 244, 298, 305, 366, 447, 488, 596, 610, 732, 745, 894, 915, 1192, 1220, 1464, 1490, 1788, 1830, 2235, 2333, 2440, 2980, 3576, 3660, 4470, 4666, 5960, 6999, 7320, 8940, 9089, 9332, 11665, 13998, 17880, 18178, 18664, 23330, 27267, 27996, 34995, 36356, 45445, 46660, 54534, 55992, 69990, 72712, 90890, 93320, 109068, 136335, 139980, 142313, 181780, 218136, 272670, 279960, 284626, 347617, 363560, 426939, 545340, 569252, 695234, 711565, 853878, 1042851, 1090680, 1138504, 1390468, 1423130, 1707756, 1738085, 2085702, 2134695, 2780936, 2846260, 3415512, 3476170, 4171404, 4269390, 5214255, 5692520, 6952340, 8342808, 8538780, 10428510, 13904680, 17077560, 20857020, 21204637, 41714040, 42409274, 63613911, 84818548, 106023185, 127227822, 169637096, 212046370, 254455644, 318069555, 424092740, 508911288, 636139110, 848185480, 1272278220, 2544556440]

約数ペア:

[(1, 2544556440), (2, 1272278220), (3, 848185480), (4, 636139110), (5, 508911288), (6, 424092740), (8, 318069555), (10, 254455644), (12, 212046370), (15, 169637096), (20, 127227822), (24, 106023185), (30, 84818548), (40, 63613911), (60, 42409274), (61, 41714040), (120, 21204637), (122, 20857020), (149, 17077560), (183, 13904680), (244, 10428510), (298, 8538780), (305, 8342808), (366, 6952340), (447, 5692520), (488, 5214255), (596, 4269390), (610, 4171404), (732, 3476170), (745, 3415512), (894, 2846260), (915, 2780936), (1192, 2134695), (1220, 2085702), (1464, 1738085), (1490, 1707756), (1788, 1423130), (1830, 1390468), (2235, 1138504), (2333, 1090680), (2440, 1042851), (2980, 853878), (3576, 711565), (3660, 695234), (4470, 569252), (4666, 545340), (5960, 426939), (6999, 363560), (7320, 347617), (8940, 284626), (9089, 279960), (9332, 272670), (11665, 218136), (13998, 181780), (17880, 142313), (18178, 139980), (18664, 136335), (23330, 109068), (27267, 93320), (27996, 90890), (34995, 72712), (36356, 69990), (45445, 55992), (46660, 54534)]