173339960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 431568000

約数和(自身を除く): 258228040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 73, 89, 92, 115, 116, 145, 146, 178, 184, 230, 232, 290, 292, 356, 365, 445, 460, 580, 584, 667, 712, 730, 890, 920, 1160, 1334, 1460, 1679, 1780, 2047, 2117, 2581, 2668, 2920, 3335, 3358, 3560, 4094, 4234, 5162, 5336, 6497, 6670, 6716, 8188, 8395, 8468, 10235, 10324, 10585, 12905, 12994, 13340, 13432, 16376, 16790, 16936, 20470, 20648, 21170, 25810, 25988, 26680, 32485, 33580, 40940, 42340, 48691, 51620, 51976, 59363, 64970, 67160, 81880, 84680, 97382, 103240, 118726, 129940, 149431, 188413, 194764, 237452, 243455, 259880, 296815, 298862, 376826, 389528, 474904, 486910, 593630, 597724, 747155, 753652, 942065, 973820, 1187260, 1195448, 1494310, 1507304, 1884130, 1947640, 2374520, 2988620, 3768260, 4333499, 5977240, 7536520, 8666998, 17333996, 21667495, 34667992, 43334990, 86669980, 173339960]

約数ペア:

[(1, 173339960), (2, 86669980), (4, 43334990), (5, 34667992), (8, 21667495), (10, 17333996), (20, 8666998), (23, 7536520), (29, 5977240), (40, 4333499), (46, 3768260), (58, 2988620), (73, 2374520), (89, 1947640), (92, 1884130), (115, 1507304), (116, 1494310), (145, 1195448), (146, 1187260), (178, 973820), (184, 942065), (230, 753652), (232, 747155), (290, 597724), (292, 593630), (356, 486910), (365, 474904), (445, 389528), (460, 376826), (580, 298862), (584, 296815), (667, 259880), (712, 243455), (730, 237452), (890, 194764), (920, 188413), (1160, 149431), (1334, 129940), (1460, 118726), (1679, 103240), (1780, 97382), (2047, 84680), (2117, 81880), (2581, 67160), (2668, 64970), (2920, 59363), (3335, 51976), (3358, 51620), (3560, 48691), (4094, 42340), (4234, 40940), (5162, 33580), (5336, 32485), (6497, 26680), (6670, 25988), (6716, 25810), (8188, 21170), (8395, 20648), (8468, 20470), (10235, 16936), (10324, 16790), (10585, 16376), (12905, 13432), (12994, 13340)]