30651280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 79155648

約数和(自身を除く): 48504368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 176, 220, 244, 305, 440, 488, 571, 610, 671, 880, 976, 1142, 1220, 1342, 2284, 2440, 2684, 2855, 3355, 4568, 4880, 5368, 5710, 6281, 6710, 9136, 10736, 11420, 12562, 13420, 22840, 25124, 26840, 31405, 34831, 45680, 50248, 53680, 62810, 69662, 100496, 125620, 139324, 174155, 251240, 278648, 348310, 383141, 502480, 557296, 696620, 766282, 1393240, 1532564, 1915705, 2786480, 3065128, 3831410, 6130256, 7662820, 15325640, 30651280]

約数ペア:

[(1, 30651280), (2, 15325640), (4, 7662820), (5, 6130256), (8, 3831410), (10, 3065128), (11, 2786480), (16, 1915705), (20, 1532564), (22, 1393240), (40, 766282), (44, 696620), (55, 557296), (61, 502480), (80, 383141), (88, 348310), (110, 278648), (122, 251240), (176, 174155), (220, 139324), (244, 125620), (305, 100496), (440, 69662), (488, 62810), (571, 53680), (610, 50248), (671, 45680), (880, 34831), (976, 31405), (1142, 26840), (1220, 25124), (1342, 22840), (2284, 13420), (2440, 12562), (2684, 11420), (2855, 10736), (3355, 9136), (4568, 6710), (4880, 6281), (5368, 5710)]