42644840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{31}}^1$

素因数の和:100

約数の個数: 128

約数和(自身を含む): 120268800

約数和(自身を除く): 77623960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 85, 119, 124, 136, 140, 155, 170, 217, 238, 248, 280, 289, 310, 340, 434, 476, 527, 578, 595, 620, 680, 868, 952, 1054, 1085, 1156, 1190, 1240, 1445, 1736, 2023, 2108, 2170, 2312, 2380, 2635, 2890, 3689, 4046, 4216, 4340, 4760, 4913, 5270, 5780, 7378, 8092, 8680, 8959, 9826, 10115, 10540, 11560, 14756, 16184, 17918, 18445, 19652, 20230, 21080, 24565, 29512, 34391, 35836, 36890, 39304, 40460, 44795, 49130, 62713, 68782, 71672, 73780, 80920, 89590, 98260, 125426, 137564, 147560, 152303, 171955, 179180, 196520, 250852, 275128, 304606, 313565, 343910, 358360, 501704, 609212, 627130, 687820, 761515, 1066121, 1218424, 1254260, 1375640, 1523030, 2132242, 2508520, 3046060, 4264484, 5330605, 6092120, 8528968, 10661210, 21322420, 42644840]

約数ペア:

[(1, 42644840), (2, 21322420), (4, 10661210), (5, 8528968), (7, 6092120), (8, 5330605), (10, 4264484), (14, 3046060), (17, 2508520), (20, 2132242), (28, 1523030), (31, 1375640), (34, 1254260), (35, 1218424), (40, 1066121), (56, 761515), (62, 687820), (68, 627130), (70, 609212), (85, 501704), (119, 358360), (124, 343910), (136, 313565), (140, 304606), (155, 275128), (170, 250852), (217, 196520), (238, 179180), (248, 171955), (280, 152303), (289, 147560), (310, 137564), (340, 125426), (434, 98260), (476, 89590), (527, 80920), (578, 73780), (595, 71672), (620, 68782), (680, 62713), (868, 49130), (952, 44795), (1054, 40460), (1085, 39304), (1156, 36890), (1190, 35836), (1240, 34391), (1445, 29512), (1736, 24565), (2023, 21080), (2108, 20230), (2170, 19652), (2312, 18445), (2380, 17918), (2635, 16184), (2890, 14756), (3689, 11560), (4046, 10540), (4216, 10115), (4340, 9826), (4760, 8959), (4913, 8680), (5270, 8092), (5780, 7378)]