61445020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{53}}^1$

素因数の和:109

約数の個数: 144

約数和(自身を含む): 166017600

約数和(自身を除く): 104572580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 53, 65, 70, 91, 98, 106, 130, 140, 169, 182, 196, 212, 245, 260, 265, 338, 343, 364, 371, 455, 490, 530, 637, 676, 686, 689, 742, 845, 910, 980, 1060, 1183, 1274, 1372, 1378, 1484, 1690, 1715, 1820, 1855, 2366, 2548, 2597, 2756, 3185, 3380, 3430, 3445, 3710, 4459, 4732, 4823, 5194, 5915, 6370, 6860, 6890, 7420, 8281, 8918, 8957, 9646, 10388, 11830, 12740, 12985, 13780, 16562, 17836, 17914, 18179, 19292, 22295, 23660, 24115, 25970, 33124, 33761, 35828, 36358, 41405, 44590, 44785, 48230, 51940, 57967, 62699, 67522, 72716, 82810, 89180, 89570, 90895, 96460, 115934, 125398, 135044, 165620, 168805, 179140, 181790, 231868, 236327, 250796, 289835, 313495, 337610, 363580, 438893, 472654, 579670, 626990, 675220, 877786, 945308, 1159340, 1181635, 1253980, 1755572, 2194465, 2363270, 3072251, 4388930, 4726540, 6144502, 8777860, 12289004, 15361255, 30722510, 61445020]

約数ペア:

[(1, 61445020), (2, 30722510), (4, 15361255), (5, 12289004), (7, 8777860), (10, 6144502), (13, 4726540), (14, 4388930), (20, 3072251), (26, 2363270), (28, 2194465), (35, 1755572), (49, 1253980), (52, 1181635), (53, 1159340), (65, 945308), (70, 877786), (91, 675220), (98, 626990), (106, 579670), (130, 472654), (140, 438893), (169, 363580), (182, 337610), (196, 313495), (212, 289835), (245, 250796), (260, 236327), (265, 231868), (338, 181790), (343, 179140), (364, 168805), (371, 165620), (455, 135044), (490, 125398), (530, 115934), (637, 96460), (676, 90895), (686, 89570), (689, 89180), (742, 82810), (845, 72716), (910, 67522), (980, 62699), (1060, 57967), (1183, 51940), (1274, 48230), (1372, 44785), (1378, 44590), (1484, 41405), (1690, 36358), (1715, 35828), (1820, 33761), (1855, 33124), (2366, 25970), (2548, 24115), (2597, 23660), (2756, 22295), (3185, 19292), (3380, 18179), (3430, 17914), (3445, 17836), (3710, 16562), (4459, 13780), (4732, 12985), (4823, 12740), (5194, 11830), (5915, 10388), (6370, 9646), (6860, 8957), (6890, 8918), (7420, 8281)]