645890256

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1951}}^1$

素因数の和:2006

約数の個数: 180

約数和(自身を含む): 2092504960

約数和(自身を除く): 1446614704

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 33, 36, 38, 44, 48, 57, 66, 72, 76, 88, 99, 114, 121, 132, 144, 152, 171, 176, 198, 209, 228, 242, 264, 304, 342, 363, 396, 418, 456, 484, 528, 627, 684, 726, 792, 836, 912, 968, 1089, 1254, 1368, 1452, 1584, 1672, 1881, 1936, 1951, 2178, 2299, 2508, 2736, 2904, 3344, 3762, 3902, 4356, 4598, 5016, 5808, 5853, 6897, 7524, 7804, 8712, 9196, 10032, 11706, 13794, 15048, 15608, 17424, 17559, 18392, 20691, 21461, 23412, 27588, 30096, 31216, 35118, 36784, 37069, 41382, 42922, 46824, 55176, 64383, 70236, 74138, 82764, 85844, 93648, 110352, 111207, 128766, 140472, 148276, 165528, 171688, 193149, 222414, 236071, 257532, 280944, 296552, 331056, 333621, 343376, 386298, 407759, 444828, 472142, 515064, 593104, 667242, 708213, 772596, 815518, 889656, 944284, 1030128, 1223277, 1334484, 1416426, 1545192, 1631036, 1779312, 1888568, 2124639, 2446554, 2668968, 2832852, 3090384, 3262072, 3669831, 3777136, 4249278, 4485349, 4893108, 5337936, 5665704, 6524144, 7339662, 8498556, 8970698, 9786216, 11331408, 13456047, 14679324, 16997112, 17941396, 19572432, 26912094, 29358648, 33994224, 35882792, 40368141, 53824188, 58717296, 71765584, 80736282, 107648376, 161472564, 215296752, 322945128, 645890256]

約数ペア:

[(1, 645890256), (2, 322945128), (3, 215296752), (4, 161472564), (6, 107648376), (8, 80736282), (9, 71765584), (11, 58717296), (12, 53824188), (16, 40368141), (18, 35882792), (19, 33994224), (22, 29358648), (24, 26912094), (33, 19572432), (36, 17941396), (38, 16997112), (44, 14679324), (48, 13456047), (57, 11331408), (66, 9786216), (72, 8970698), (76, 8498556), (88, 7339662), (99, 6524144), (114, 5665704), (121, 5337936), (132, 4893108), (144, 4485349), (152, 4249278), (171, 3777136), (176, 3669831), (198, 3262072), (209, 3090384), (228, 2832852), (242, 2668968), (264, 2446554), (304, 2124639), (342, 1888568), (363, 1779312), (396, 1631036), (418, 1545192), (456, 1416426), (484, 1334484), (528, 1223277), (627, 1030128), (684, 944284), (726, 889656), (792, 815518), (836, 772596), (912, 708213), (968, 667242), (1089, 593104), (1254, 515064), (1368, 472142), (1452, 444828), (1584, 407759), (1672, 386298), (1881, 343376), (1936, 333621), (1951, 331056), (2178, 296552), (2299, 280944), (2508, 257532), (2736, 236071), (2904, 222414), (3344, 193149), (3762, 171688), (3902, 165528), (4356, 148276), (4598, 140472), (5016, 128766), (5808, 111207), (5853, 110352), (6897, 93648), (7524, 85844), (7804, 82764), (8712, 74138), (9196, 70236), (10032, 64383), (11706, 55176), (13794, 46824), (15048, 42922), (15608, 41382), (17424, 37069), (17559, 36784), (18392, 35118), (20691, 31216), (21461, 30096), (23412, 27588)]