254416680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:561

約数の個数: 256

約数和(自身を含む): 984614400

約数和(自身を除く): 730197720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 73, 84, 90, 105, 108, 120, 126, 135, 140, 146, 168, 180, 189, 210, 216, 219, 252, 270, 280, 292, 315, 360, 365, 378, 420, 438, 461, 504, 511, 540, 584, 630, 657, 730, 756, 840, 876, 922, 945, 1022, 1080, 1095, 1260, 1314, 1383, 1460, 1512, 1533, 1752, 1844, 1890, 1971, 2044, 2190, 2305, 2520, 2555, 2628, 2766, 2920, 3066, 3227, 3285, 3688, 3780, 3942, 4088, 4149, 4380, 4599, 4610, 5110, 5256, 5532, 6132, 6454, 6570, 6915, 7560, 7665, 7884, 8298, 8760, 9198, 9220, 9681, 9855, 10220, 11064, 12264, 12447, 12908, 13140, 13797, 13830, 15330, 15768, 16135, 16596, 18396, 18440, 19362, 19710, 20440, 20745, 22995, 24894, 25816, 26280, 27594, 27660, 29043, 30660, 32270, 33192, 33653, 36792, 38724, 39420, 41490, 45990, 48405, 49788, 55188, 55320, 58086, 61320, 62235, 64540, 67306, 68985, 77448, 78840, 82980, 87129, 91980, 96810, 99576, 100959, 110376, 116172, 124470, 129080, 134612, 137970, 145215, 165960, 168265, 174258, 183960, 193620, 201918, 232344, 235571, 248940, 269224, 275940, 290430, 302877, 336530, 348516, 387240, 403836, 435645, 471142, 497880, 504795, 551880, 580860, 605754, 673060, 697032, 706713, 807672, 871290, 908631, 942284, 1009590, 1161720, 1177855, 1211508, 1346120, 1413426, 1514385, 1742580, 1817262, 1884568, 2019180, 2120139, 2355710, 2423016, 2826852, 3028770, 3485160, 3533565, 3634524, 4038360, 4240278, 4543155, 4711420, 5653704, 6057540, 6360417, 7067130, 7269048, 8480556, 9086310, 9422840, 10600695, 12115080, 12720834, 14134260, 16961112, 18172620, 21201390, 25441668, 28268520, 31802085, 36345240, 42402780, 50883336, 63604170, 84805560, 127208340, 254416680]

約数ペア:

[(1, 254416680), (2, 127208340), (3, 84805560), (4, 63604170), (5, 50883336), (6, 42402780), (7, 36345240), (8, 31802085), (9, 28268520), (10, 25441668), (12, 21201390), (14, 18172620), (15, 16961112), (18, 14134260), (20, 12720834), (21, 12115080), (24, 10600695), (27, 9422840), (28, 9086310), (30, 8480556), (35, 7269048), (36, 7067130), (40, 6360417), (42, 6057540), (45, 5653704), (54, 4711420), (56, 4543155), (60, 4240278), (63, 4038360), (70, 3634524), (72, 3533565), (73, 3485160), (84, 3028770), (90, 2826852), (105, 2423016), (108, 2355710), (120, 2120139), (126, 2019180), (135, 1884568), (140, 1817262), (146, 1742580), (168, 1514385), (180, 1413426), (189, 1346120), (210, 1211508), (216, 1177855), (219, 1161720), (252, 1009590), (270, 942284), (280, 908631), (292, 871290), (315, 807672), (360, 706713), (365, 697032), (378, 673060), (420, 605754), (438, 580860), (461, 551880), (504, 504795), (511, 497880), (540, 471142), (584, 435645), (630, 403836), (657, 387240), (730, 348516), (756, 336530), (840, 302877), (876, 290430), (922, 275940), (945, 269224), (1022, 248940), (1080, 235571), (1095, 232344), (1260, 201918), (1314, 193620), (1383, 183960), (1460, 174258), (1512, 168265), (1533, 165960), (1752, 145215), (1844, 137970), (1890, 134612), (1971, 129080), (2044, 124470), (2190, 116172), (2305, 110376), (2520, 100959), (2555, 99576), (2628, 96810), (2766, 91980), (2920, 87129), (3066, 82980), (3227, 78840), (3285, 77448), (3688, 68985), (3780, 67306), (3942, 64540), (4088, 62235), (4149, 61320), (4380, 58086), (4599, 55320), (4610, 55188), (5110, 49788), (5256, 48405), (5532, 45990), (6132, 41490), (6454, 39420), (6570, 38724), (6915, 36792), (7560, 33653), (7665, 33192), (7884, 32270), (8298, 30660), (8760, 29043), (9198, 27660), (9220, 27594), (9681, 26280), (9855, 25816), (10220, 24894), (11064, 22995), (12264, 20745), (12447, 20440), (12908, 19710), (13140, 19362), (13797, 18440), (13830, 18396), (15330, 16596), (15768, 16135)]