261170013320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1\times {\mathrm{23321}}^1$

素因数の和:23775

約数の個数: 128

約数和(自身を含む): 638358589440

約数和(自身を除く): 377188576120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 383, 430, 680, 731, 766, 860, 1462, 1532, 1720, 1915, 2924, 3064, 3655, 3830, 5848, 6511, 7310, 7660, 13022, 14620, 15320, 16469, 23321, 26044, 29240, 32555, 32938, 46642, 52088, 65110, 65876, 82345, 93284, 116605, 130220, 131752, 164690, 186568, 233210, 260440, 279973, 329380, 396457, 466420, 559946, 658760, 792914, 932840, 1002803, 1119892, 1399865, 1585828, 1982285, 2005606, 2239784, 2799730, 3171656, 3964570, 4011212, 5014015, 5599460, 7929140, 8022424, 8931943, 10028030, 11198920, 15858280, 17047651, 17863886, 20056060, 34095302, 35727772, 40112120, 44659715, 68190604, 71455544, 85238255, 89319430, 136381208, 151843031, 170476510, 178638860, 303686062, 340953020, 357277720, 384073549, 607372124, 681906040, 759215155, 768147098, 1214744248, 1518430310, 1536294196, 1920367745, 3036860620, 3072588392, 3840735490, 6073721240, 6529250333, 7681470980, 13058500666, 15362941960, 26117001332, 32646251665, 52234002664, 65292503330, 130585006660, 261170013320]

約数ペア:

[(1, 261170013320), (2, 130585006660), (4, 65292503330), (5, 52234002664), (8, 32646251665), (10, 26117001332), (17, 15362941960), (20, 13058500666), (34, 7681470980), (40, 6529250333), (43, 6073721240), (68, 3840735490), (85, 3072588392), (86, 3036860620), (136, 1920367745), (170, 1536294196), (172, 1518430310), (215, 1214744248), (340, 768147098), (344, 759215155), (383, 681906040), (430, 607372124), (680, 384073549), (731, 357277720), (766, 340953020), (860, 303686062), (1462, 178638860), (1532, 170476510), (1720, 151843031), (1915, 136381208), (2924, 89319430), (3064, 85238255), (3655, 71455544), (3830, 68190604), (5848, 44659715), (6511, 40112120), (7310, 35727772), (7660, 34095302), (13022, 20056060), (14620, 17863886), (15320, 17047651), (16469, 15858280), (23321, 11198920), (26044, 10028030), (29240, 8931943), (32555, 8022424), (32938, 7929140), (46642, 5599460), (52088, 5014015), (65110, 4011212), (65876, 3964570), (82345, 3171656), (93284, 2799730), (116605, 2239784), (130220, 2005606), (131752, 1982285), (164690, 1585828), (186568, 1399865), (233210, 1119892), (260440, 1002803), (279973, 932840), (329380, 792914), (396457, 658760), (466420, 559946)]