291383820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17789}}^1$

素因数の和:17824

約数の個数: 144

約数和(自身を含む): 1087894080

約数和(自身を除く): 796510260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 17789, 35578, 53367, 71156, 88945, 106734, 124523, 160101, 177890, 213468, 231257, 249046, 266835, 320202, 355780, 373569, 462514, 498092, 533670, 622615, 640404, 693771, 747138, 800505, 925028, 1067340, 1120707, 1156285, 1245230, 1387542, 1494276, 1601010, 1618799, 1867845, 2081313, 2241414, 2312570, 2490460, 2775084, 3202020, 3237598, 3468855, 3735690, 4162626, 4482828, 4625140, 4856397, 5603535, 6475196, 6937710, 7471380, 8093995, 8325252, 9712794, 10406565, 11207070, 13875420, 14569191, 16187990, 19425588, 20813130, 22414140, 24281985, 29138382, 32375980, 41626260, 48563970, 58276764, 72845955, 97127940, 145691910, 291383820]

約数ペア:

[(1, 291383820), (2, 145691910), (3, 97127940), (4, 72845955), (5, 58276764), (6, 48563970), (7, 41626260), (9, 32375980), (10, 29138382), (12, 24281985), (13, 22414140), (14, 20813130), (15, 19425588), (18, 16187990), (20, 14569191), (21, 13875420), (26, 11207070), (28, 10406565), (30, 9712794), (35, 8325252), (36, 8093995), (39, 7471380), (42, 6937710), (45, 6475196), (52, 5603535), (60, 4856397), (63, 4625140), (65, 4482828), (70, 4162626), (78, 3735690), (84, 3468855), (90, 3237598), (91, 3202020), (105, 2775084), (117, 2490460), (126, 2312570), (130, 2241414), (140, 2081313), (156, 1867845), (180, 1618799), (182, 1601010), (195, 1494276), (210, 1387542), (234, 1245230), (252, 1156285), (260, 1120707), (273, 1067340), (315, 925028), (364, 800505), (390, 747138), (420, 693771), (455, 640404), (468, 622615), (546, 533670), (585, 498092), (630, 462514), (780, 373569), (819, 355780), (910, 320202), (1092, 266835), (1170, 249046), (1260, 231257), (1365, 213468), (1638, 177890), (1820, 160101), (2340, 124523), (2730, 106734), (3276, 88945), (4095, 71156), (5460, 53367), (8190, 35578), (16380, 17789)]