25738920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 192

約数和(自身を含む): 90979200

約数和(自身を除く): 65240280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 53, 57, 60, 71, 72, 76, 90, 95, 106, 114, 120, 142, 152, 159, 171, 180, 190, 212, 213, 228, 265, 284, 285, 318, 342, 355, 360, 380, 424, 426, 456, 477, 530, 568, 570, 636, 639, 684, 710, 760, 795, 852, 855, 954, 1007, 1060, 1065, 1140, 1272, 1278, 1349, 1368, 1420, 1590, 1704, 1710, 1908, 2014, 2120, 2130, 2280, 2385, 2556, 2698, 2840, 3021, 3180, 3195, 3420, 3763, 3816, 4028, 4047, 4260, 4770, 5035, 5112, 5396, 6042, 6360, 6390, 6745, 6840, 7526, 8056, 8094, 8520, 9063, 9540, 10070, 10792, 11289, 12084, 12141, 12780, 13490, 15052, 15105, 16188, 18126, 18815, 19080, 20140, 20235, 22578, 24168, 24282, 25560, 26980, 30104, 30210, 32376, 33867, 36252, 37630, 40280, 40470, 45156, 45315, 48564, 53960, 56445, 60420, 60705, 67734, 71497, 72504, 75260, 80940, 90312, 90630, 97128, 112890, 120840, 121410, 135468, 142994, 150520, 161880, 169335, 181260, 214491, 225780, 242820, 270936, 285988, 338670, 357485, 362520, 428982, 451560, 485640, 571976, 643473, 677340, 714970, 857964, 1072455, 1286946, 1354680, 1429940, 1715928, 2144910, 2573892, 2859880, 3217365, 4289820, 5147784, 6434730, 8579640, 12869460, 25738920]

約数ペア:

[(1, 25738920), (2, 12869460), (3, 8579640), (4, 6434730), (5, 5147784), (6, 4289820), (8, 3217365), (9, 2859880), (10, 2573892), (12, 2144910), (15, 1715928), (18, 1429940), (19, 1354680), (20, 1286946), (24, 1072455), (30, 857964), (36, 714970), (38, 677340), (40, 643473), (45, 571976), (53, 485640), (57, 451560), (60, 428982), (71, 362520), (72, 357485), (76, 338670), (90, 285988), (95, 270936), (106, 242820), (114, 225780), (120, 214491), (142, 181260), (152, 169335), (159, 161880), (171, 150520), (180, 142994), (190, 135468), (212, 121410), (213, 120840), (228, 112890), (265, 97128), (284, 90630), (285, 90312), (318, 80940), (342, 75260), (355, 72504), (360, 71497), (380, 67734), (424, 60705), (426, 60420), (456, 56445), (477, 53960), (530, 48564), (568, 45315), (570, 45156), (636, 40470), (639, 40280), (684, 37630), (710, 36252), (760, 33867), (795, 32376), (852, 30210), (855, 30104), (954, 26980), (1007, 25560), (1060, 24282), (1065, 24168), (1140, 22578), (1272, 20235), (1278, 20140), (1349, 19080), (1368, 18815), (1420, 18126), (1590, 16188), (1704, 15105), (1710, 15052), (1908, 13490), (2014, 12780), (2120, 12141), (2130, 12084), (2280, 11289), (2385, 10792), (2556, 10070), (2698, 9540), (2840, 9063), (3021, 8520), (3180, 8094), (3195, 8056), (3420, 7526), (3763, 6840), (3816, 6745), (4028, 6390), (4047, 6360), (4260, 6042), (4770, 5396), (5035, 5112)]