456781920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{19421}}^1$

素因数の和:19453

約数の個数: 144

約数和(自身を含む): 1673865648

約数和(自身を除く): 1217083728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 19421, 23520, 38842, 58263, 77684, 97105, 116526, 135947, 155368, 194210, 233052, 271894, 291315, 310736, 388420, 407841, 466104, 543788, 582630, 621472, 679735, 776840, 815682, 932208, 951629, 1087576, 1165260, 1359470, 1553680, 1631364, 1864416, 1903258, 2039205, 2175152, 2330520, 2718940, 2854887, 3107360, 3262728, 3806516, 4078410, 4350304, 4661040, 4758145, 5437880, 5709774, 6525456, 7613032, 8156820, 9322080, 9516290, 10875760, 11419548, 13050912, 14274435, 15226064, 16313640, 19032580, 21751520, 22839096, 28548870, 30452128, 32627280, 38065160, 45678192, 57097740, 65254560, 76130320, 91356384, 114195480, 152260640, 228390960, 456781920]

約数ペア:

[(1, 456781920), (2, 228390960), (3, 152260640), (4, 114195480), (5, 91356384), (6, 76130320), (7, 65254560), (8, 57097740), (10, 45678192), (12, 38065160), (14, 32627280), (15, 30452128), (16, 28548870), (20, 22839096), (21, 21751520), (24, 19032580), (28, 16313640), (30, 15226064), (32, 14274435), (35, 13050912), (40, 11419548), (42, 10875760), (48, 9516290), (49, 9322080), (56, 8156820), (60, 7613032), (70, 6525456), (80, 5709774), (84, 5437880), (96, 4758145), (98, 4661040), (105, 4350304), (112, 4078410), (120, 3806516), (140, 3262728), (147, 3107360), (160, 2854887), (168, 2718940), (196, 2330520), (210, 2175152), (224, 2039205), (240, 1903258), (245, 1864416), (280, 1631364), (294, 1553680), (336, 1359470), (392, 1165260), (420, 1087576), (480, 951629), (490, 932208), (560, 815682), (588, 776840), (672, 679735), (735, 621472), (784, 582630), (840, 543788), (980, 466104), (1120, 407841), (1176, 388420), (1470, 310736), (1568, 291315), (1680, 271894), (1960, 233052), (2352, 194210), (2940, 155368), (3360, 135947), (3920, 116526), (4704, 97105), (5880, 77684), (7840, 58263), (11760, 38842), (19421, 23520)]