30381720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:365

約数の個数: 128

約数和(自身を含む): 98677440

約数和(自身を除く): 68295720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 53, 60, 68, 85, 102, 106, 120, 136, 159, 170, 204, 212, 255, 265, 281, 318, 340, 408, 424, 510, 530, 562, 636, 680, 795, 843, 901, 1020, 1060, 1124, 1272, 1405, 1590, 1686, 1802, 2040, 2120, 2248, 2703, 2810, 3180, 3372, 3604, 4215, 4505, 4777, 5406, 5620, 6360, 6744, 7208, 8430, 9010, 9554, 10812, 11240, 13515, 14331, 14893, 16860, 18020, 19108, 21624, 23885, 27030, 28662, 29786, 33720, 36040, 38216, 44679, 47770, 54060, 57324, 59572, 71655, 74465, 89358, 95540, 108120, 114648, 119144, 143310, 148930, 178716, 191080, 223395, 253181, 286620, 297860, 357432, 446790, 506362, 573240, 595720, 759543, 893580, 1012724, 1265905, 1519086, 1787160, 2025448, 2531810, 3038172, 3797715, 5063620, 6076344, 7595430, 10127240, 15190860, 30381720]

約数ペア:

[(1, 30381720), (2, 15190860), (3, 10127240), (4, 7595430), (5, 6076344), (6, 5063620), (8, 3797715), (10, 3038172), (12, 2531810), (15, 2025448), (17, 1787160), (20, 1519086), (24, 1265905), (30, 1012724), (34, 893580), (40, 759543), (51, 595720), (53, 573240), (60, 506362), (68, 446790), (85, 357432), (102, 297860), (106, 286620), (120, 253181), (136, 223395), (159, 191080), (170, 178716), (204, 148930), (212, 143310), (255, 119144), (265, 114648), (281, 108120), (318, 95540), (340, 89358), (408, 74465), (424, 71655), (510, 59572), (530, 57324), (562, 54060), (636, 47770), (680, 44679), (795, 38216), (843, 36040), (901, 33720), (1020, 29786), (1060, 28662), (1124, 27030), (1272, 23885), (1405, 21624), (1590, 19108), (1686, 18020), (1802, 16860), (2040, 14893), (2120, 14331), (2248, 13515), (2703, 11240), (2810, 10812), (3180, 9554), (3372, 9010), (3604, 8430), (4215, 7208), (4505, 6744), (4777, 6360), (5406, 5620)]