8955180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 30270240

約数和(自身を除く): 21315060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 89, 90, 117, 129, 130, 156, 172, 178, 180, 195, 215, 234, 258, 260, 267, 356, 387, 390, 430, 445, 468, 516, 534, 559, 585, 645, 774, 780, 801, 860, 890, 1068, 1118, 1157, 1170, 1290, 1335, 1548, 1602, 1677, 1780, 1935, 2236, 2314, 2340, 2580, 2670, 2795, 3204, 3354, 3471, 3827, 3870, 4005, 4628, 5031, 5340, 5590, 5785, 6708, 6942, 7654, 7740, 8010, 8385, 10062, 10413, 11180, 11481, 11570, 13884, 15308, 16020, 16770, 17355, 19135, 20124, 20826, 22962, 23140, 25155, 33540, 34443, 34710, 38270, 41652, 45924, 49751, 50310, 52065, 57405, 68886, 69420, 76540, 99502, 100620, 104130, 114810, 137772, 149253, 172215, 199004, 208260, 229620, 248755, 298506, 344430, 447759, 497510, 597012, 688860, 746265, 895518, 995020, 1492530, 1791036, 2238795, 2985060, 4477590, 8955180]

約数ペア:

[(1, 8955180), (2, 4477590), (3, 2985060), (4, 2238795), (5, 1791036), (6, 1492530), (9, 995020), (10, 895518), (12, 746265), (13, 688860), (15, 597012), (18, 497510), (20, 447759), (26, 344430), (30, 298506), (36, 248755), (39, 229620), (43, 208260), (45, 199004), (52, 172215), (60, 149253), (65, 137772), (78, 114810), (86, 104130), (89, 100620), (90, 99502), (117, 76540), (129, 69420), (130, 68886), (156, 57405), (172, 52065), (178, 50310), (180, 49751), (195, 45924), (215, 41652), (234, 38270), (258, 34710), (260, 34443), (267, 33540), (356, 25155), (387, 23140), (390, 22962), (430, 20826), (445, 20124), (468, 19135), (516, 17355), (534, 16770), (559, 16020), (585, 15308), (645, 13884), (774, 11570), (780, 11481), (801, 11180), (860, 10413), (890, 10062), (1068, 8385), (1118, 8010), (1157, 7740), (1170, 7654), (1290, 6942), (1335, 6708), (1548, 5785), (1602, 5590), (1677, 5340), (1780, 5031), (1935, 4628), (2236, 4005), (2314, 3870), (2340, 3827), (2580, 3471), (2670, 3354), (2795, 3204)]