30604920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 96690240

約数和(自身を除く): 66085320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 61, 74, 111, 113, 120, 122, 148, 183, 185, 222, 226, 244, 296, 305, 339, 366, 370, 444, 452, 488, 555, 565, 610, 678, 732, 740, 888, 904, 915, 1110, 1130, 1220, 1356, 1464, 1480, 1695, 1830, 2220, 2257, 2260, 2440, 2712, 3390, 3660, 4181, 4440, 4514, 4520, 6771, 6780, 6893, 7320, 8362, 9028, 11285, 12543, 13542, 13560, 13786, 16724, 18056, 20679, 20905, 22570, 25086, 27084, 27572, 33448, 33855, 34465, 41358, 41810, 45140, 50172, 54168, 55144, 62715, 67710, 68930, 82716, 83620, 90280, 100344, 103395, 125430, 135420, 137860, 165432, 167240, 206790, 250860, 255041, 270840, 275720, 413580, 501720, 510082, 765123, 827160, 1020164, 1275205, 1530246, 2040328, 2550410, 3060492, 3825615, 5100820, 6120984, 7651230, 10201640, 15302460, 30604920]

約数ペア:

[(1, 30604920), (2, 15302460), (3, 10201640), (4, 7651230), (5, 6120984), (6, 5100820), (8, 3825615), (10, 3060492), (12, 2550410), (15, 2040328), (20, 1530246), (24, 1275205), (30, 1020164), (37, 827160), (40, 765123), (60, 510082), (61, 501720), (74, 413580), (111, 275720), (113, 270840), (120, 255041), (122, 250860), (148, 206790), (183, 167240), (185, 165432), (222, 137860), (226, 135420), (244, 125430), (296, 103395), (305, 100344), (339, 90280), (366, 83620), (370, 82716), (444, 68930), (452, 67710), (488, 62715), (555, 55144), (565, 54168), (610, 50172), (678, 45140), (732, 41810), (740, 41358), (888, 34465), (904, 33855), (915, 33448), (1110, 27572), (1130, 27084), (1220, 25086), (1356, 22570), (1464, 20905), (1480, 20679), (1695, 18056), (1830, 16724), (2220, 13786), (2257, 13560), (2260, 13542), (2440, 12543), (2712, 11285), (3390, 9028), (3660, 8362), (4181, 7320), (4440, 6893), (4514, 6780), (4520, 6771)]