309986040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28387}}^1$

素因数の和:28421

約数の個数: 128

約数和(自身を含む): 1144604160

約数和(自身を除く): 834618120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 28387, 56774, 85161, 113548, 141935, 170322, 198709, 227096, 283870, 340644, 369031, 397418, 425805, 567740, 596127, 681288, 738062, 794836, 851610, 993545, 1107093, 1135480, 1192254, 1476124, 1589672, 1703220, 1845155, 1987090, 2214186, 2384508, 2583217, 2952248, 2980635, 3406440, 3690310, 3974180, 4428372, 4769016, 5166434, 5535465, 5961270, 7380620, 7749651, 7948360, 8856744, 10332868, 11070930, 11922540, 12916085, 14761240, 15499302, 20665736, 22141860, 23845080, 25832170, 30998604, 38748255, 44283720, 51664340, 61997208, 77496510, 103328680, 154993020, 309986040]

約数ペア:

[(1, 309986040), (2, 154993020), (3, 103328680), (4, 77496510), (5, 61997208), (6, 51664340), (7, 44283720), (8, 38748255), (10, 30998604), (12, 25832170), (13, 23845080), (14, 22141860), (15, 20665736), (20, 15499302), (21, 14761240), (24, 12916085), (26, 11922540), (28, 11070930), (30, 10332868), (35, 8856744), (39, 7948360), (40, 7749651), (42, 7380620), (52, 5961270), (56, 5535465), (60, 5166434), (65, 4769016), (70, 4428372), (78, 3974180), (84, 3690310), (91, 3406440), (104, 2980635), (105, 2952248), (120, 2583217), (130, 2384508), (140, 2214186), (156, 1987090), (168, 1845155), (182, 1703220), (195, 1589672), (210, 1476124), (260, 1192254), (273, 1135480), (280, 1107093), (312, 993545), (364, 851610), (390, 794836), (420, 738062), (455, 681288), (520, 596127), (546, 567740), (728, 425805), (780, 397418), (840, 369031), (910, 340644), (1092, 283870), (1365, 227096), (1560, 198709), (1820, 170322), (2184, 141935), (2730, 113548), (3640, 85161), (5460, 56774), (10920, 28387)]