320489910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1109}}^1$

素因数の和:1167

約数の個数: 144

約数和(自身を含む): 950648400

約数和(自身を除く): 630158490

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 30, 38, 39, 45, 57, 65, 78, 90, 95, 114, 117, 130, 169, 171, 190, 195, 234, 247, 285, 338, 342, 390, 494, 507, 570, 585, 741, 845, 855, 1014, 1109, 1170, 1235, 1482, 1521, 1690, 1710, 2218, 2223, 2470, 2535, 3042, 3211, 3327, 3705, 4446, 5070, 5545, 6422, 6654, 7410, 7605, 9633, 9981, 11090, 11115, 14417, 15210, 16055, 16635, 19266, 19962, 21071, 22230, 28834, 28899, 32110, 33270, 42142, 43251, 48165, 49905, 57798, 63213, 72085, 86502, 96330, 99810, 105355, 126426, 129753, 144170, 144495, 187421, 189639, 210710, 216255, 259506, 273923, 288990, 316065, 374842, 379278, 432510, 547846, 562263, 632130, 648765, 821769, 937105, 948195, 1124526, 1297530, 1369615, 1643538, 1686789, 1874210, 1896390, 2465307, 2739230, 2811315, 3373578, 3560999, 4108845, 4930614, 5622630, 7121998, 8217690, 8433945, 10682997, 12326535, 16867890, 17804995, 21365994, 24653070, 32048991, 35609990, 53414985, 64097982, 106829970, 160244955, 320489910]

約数ペア:

[(1, 320489910), (2, 160244955), (3, 106829970), (5, 64097982), (6, 53414985), (9, 35609990), (10, 32048991), (13, 24653070), (15, 21365994), (18, 17804995), (19, 16867890), (26, 12326535), (30, 10682997), (38, 8433945), (39, 8217690), (45, 7121998), (57, 5622630), (65, 4930614), (78, 4108845), (90, 3560999), (95, 3373578), (114, 2811315), (117, 2739230), (130, 2465307), (169, 1896390), (171, 1874210), (190, 1686789), (195, 1643538), (234, 1369615), (247, 1297530), (285, 1124526), (338, 948195), (342, 937105), (390, 821769), (494, 648765), (507, 632130), (570, 562263), (585, 547846), (741, 432510), (845, 379278), (855, 374842), (1014, 316065), (1109, 288990), (1170, 273923), (1235, 259506), (1482, 216255), (1521, 210710), (1690, 189639), (1710, 187421), (2218, 144495), (2223, 144170), (2470, 129753), (2535, 126426), (3042, 105355), (3211, 99810), (3327, 96330), (3705, 86502), (4446, 72085), (5070, 63213), (5545, 57798), (6422, 49905), (6654, 48165), (7410, 43251), (7605, 42142), (9633, 33270), (9981, 32110), (11090, 28899), (11115, 28834), (14417, 22230), (15210, 21071), (16055, 19962), (16635, 19266)]