28315560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2593}}^1$

素因数の和:2627

約数の個数: 128

約数和(自身を含む): 104590080

約数和(自身を除く): 76274520

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, 2593, 2730, 3640, 5186, 5460, 7779, 10372, 10920, 12965, 15558, 18151, 20744, 25930, 31116, 33709, 36302, 38895, 51860, 54453, 62232, 67418, 72604, 77790, 90755, 101127, 103720, 108906, 134836, 145208, 155580, 168545, 181510, 202254, 217812, 235963, 269672, 272265, 311160, 337090, 363020, 404508, 435624, 471926, 505635, 544530, 674180, 707889, 726040, 809016, 943852, 1011270, 1089060, 1179815, 1348360, 1415778, 1887704, 2022540, 2178120, 2359630, 2831556, 3539445, 4045080, 4719260, 5663112, 7078890, 9438520, 14157780, 28315560]

約数ペア:

[(1, 28315560), (2, 14157780), (3, 9438520), (4, 7078890), (5, 5663112), (6, 4719260), (7, 4045080), (8, 3539445), (10, 2831556), (12, 2359630), (13, 2178120), (14, 2022540), (15, 1887704), (20, 1415778), (21, 1348360), (24, 1179815), (26, 1089060), (28, 1011270), (30, 943852), (35, 809016), (39, 726040), (40, 707889), (42, 674180), (52, 544530), (56, 505635), (60, 471926), (65, 435624), (70, 404508), (78, 363020), (84, 337090), (91, 311160), (104, 272265), (105, 269672), (120, 235963), (130, 217812), (140, 202254), (156, 181510), (168, 168545), (182, 155580), (195, 145208), (210, 134836), (260, 108906), (273, 103720), (280, 101127), (312, 90755), (364, 77790), (390, 72604), (420, 67418), (455, 62232), (520, 54453), (546, 51860), (728, 38895), (780, 36302), (840, 33709), (910, 31116), (1092, 25930), (1365, 20744), (1560, 18151), (1820, 15558), (2184, 12965), (2593, 10920), (2730, 10372), (3640, 7779), (5186, 5460)]