30905160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1801}}^1$

素因数の和:1839

約数の個数: 128

約数和(自身を含む): 108984960

約数和(自身を除く): 78079800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 1801, 2145, 2860, 3432, 3602, 4290, 5403, 5720, 7204, 8580, 9005, 10806, 14408, 17160, 18010, 19811, 21612, 23413, 27015, 36020, 39622, 43224, 46826, 54030, 59433, 70239, 72040, 79244, 93652, 99055, 108060, 117065, 118866, 140478, 158488, 187304, 198110, 216120, 234130, 237732, 257543, 280956, 297165, 351195, 396220, 468260, 475464, 515086, 561912, 594330, 702390, 772629, 792440, 936520, 1030172, 1188660, 1287715, 1404780, 1545258, 2060344, 2377320, 2575430, 2809560, 3090516, 3863145, 5150860, 6181032, 7726290, 10301720, 15452580, 30905160]

約数ペア:

[(1, 30905160), (2, 15452580), (3, 10301720), (4, 7726290), (5, 6181032), (6, 5150860), (8, 3863145), (10, 3090516), (11, 2809560), (12, 2575430), (13, 2377320), (15, 2060344), (20, 1545258), (22, 1404780), (24, 1287715), (26, 1188660), (30, 1030172), (33, 936520), (39, 792440), (40, 772629), (44, 702390), (52, 594330), (55, 561912), (60, 515086), (65, 475464), (66, 468260), (78, 396220), (88, 351195), (104, 297165), (110, 280956), (120, 257543), (130, 237732), (132, 234130), (143, 216120), (156, 198110), (165, 187304), (195, 158488), (220, 140478), (260, 118866), (264, 117065), (286, 108060), (312, 99055), (330, 93652), (390, 79244), (429, 72040), (440, 70239), (520, 59433), (572, 54030), (660, 46826), (715, 43224), (780, 39622), (858, 36020), (1144, 27015), (1320, 23413), (1430, 21612), (1560, 19811), (1716, 18010), (1801, 17160), (2145, 14408), (2860, 10806), (3432, 9005), (3602, 8580), (4290, 7204), (5403, 5720)]