881790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:66

約数の個数: 128

約数和(自身を含む): 2903040

約数和(自身を除く): 2021250

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 17, 19, 21, 26, 30, 34, 35, 38, 39, 42, 51, 57, 65, 70, 78, 85, 91, 95, 102, 105, 114, 119, 130, 133, 170, 182, 190, 195, 210, 221, 238, 247, 255, 266, 273, 285, 323, 357, 390, 399, 442, 455, 494, 510, 546, 570, 595, 646, 663, 665, 714, 741, 798, 910, 969, 1105, 1190, 1235, 1326, 1330, 1365, 1482, 1547, 1615, 1729, 1785, 1938, 1995, 2210, 2261, 2470, 2730, 3094, 3230, 3315, 3458, 3570, 3705, 3990, 4199, 4522, 4641, 4845, 5187, 6630, 6783, 7410, 7735, 8398, 8645, 9282, 9690, 10374, 11305, 12597, 13566, 15470, 17290, 20995, 22610, 23205, 25194, 25935, 29393, 33915, 41990, 46410, 51870, 58786, 62985, 67830, 88179, 125970, 146965, 176358, 293930, 440895, 881790]

約数ペア:

[(1, 881790), (2, 440895), (3, 293930), (5, 176358), (6, 146965), (7, 125970), (10, 88179), (13, 67830), (14, 62985), (15, 58786), (17, 51870), (19, 46410), (21, 41990), (26, 33915), (30, 29393), (34, 25935), (35, 25194), (38, 23205), (39, 22610), (42, 20995), (51, 17290), (57, 15470), (65, 13566), (70, 12597), (78, 11305), (85, 10374), (91, 9690), (95, 9282), (102, 8645), (105, 8398), (114, 7735), (119, 7410), (130, 6783), (133, 6630), (170, 5187), (182, 4845), (190, 4641), (195, 4522), (210, 4199), (221, 3990), (238, 3705), (247, 3570), (255, 3458), (266, 3315), (273, 3230), (285, 3094), (323, 2730), (357, 2470), (390, 2261), (399, 2210), (442, 1995), (455, 1938), (494, 1785), (510, 1729), (546, 1615), (570, 1547), (595, 1482), (646, 1365), (663, 1330), (665, 1326), (714, 1235), (741, 1190), (798, 1105), (910, 969)]