281240622

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 743586480

約数和(自身を除く): 462345858

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 19, 26, 34, 38, 39, 51, 57, 61, 78, 102, 114, 117, 122, 153, 171, 183, 221, 234, 247, 306, 323, 342, 366, 442, 494, 549, 646, 663, 741, 793, 969, 1037, 1098, 1159, 1326, 1482, 1586, 1938, 1989, 2074, 2223, 2318, 2379, 2907, 3111, 3477, 3721, 3978, 4199, 4446, 4758, 5814, 6222, 6954, 7137, 7442, 8398, 9333, 10431, 11163, 12597, 13481, 14274, 15067, 18666, 19703, 20862, 22326, 25194, 26962, 30134, 33489, 37791, 39406, 40443, 45201, 48373, 59109, 63257, 66978, 70699, 75582, 80886, 90402, 96746, 118218, 121329, 126514, 135603, 141398, 145119, 177327, 189771, 212097, 242658, 256139, 271206, 290238, 354654, 379542, 424194, 435357, 512278, 569313, 636291, 768417, 822341, 870714, 919087, 1138626, 1201883, 1272582, 1536834, 1644682, 1838174, 2305251, 2403766, 2467023, 2757261, 3605649, 4610502, 4934046, 5514522, 7211298, 7401069, 8271783, 10816947, 14802138, 15624479, 16543566, 21633894, 31248958, 46873437, 93746874, 140620311, 281240622]

約数ペア:

[(1, 281240622), (2, 140620311), (3, 93746874), (6, 46873437), (9, 31248958), (13, 21633894), (17, 16543566), (18, 15624479), (19, 14802138), (26, 10816947), (34, 8271783), (38, 7401069), (39, 7211298), (51, 5514522), (57, 4934046), (61, 4610502), (78, 3605649), (102, 2757261), (114, 2467023), (117, 2403766), (122, 2305251), (153, 1838174), (171, 1644682), (183, 1536834), (221, 1272582), (234, 1201883), (247, 1138626), (306, 919087), (323, 870714), (342, 822341), (366, 768417), (442, 636291), (494, 569313), (549, 512278), (646, 435357), (663, 424194), (741, 379542), (793, 354654), (969, 290238), (1037, 271206), (1098, 256139), (1159, 242658), (1326, 212097), (1482, 189771), (1586, 177327), (1938, 145119), (1989, 141398), (2074, 135603), (2223, 126514), (2318, 121329), (2379, 118218), (2907, 96746), (3111, 90402), (3477, 80886), (3721, 75582), (3978, 70699), (4199, 66978), (4446, 63257), (4758, 59109), (5814, 48373), (6222, 45201), (6954, 40443), (7137, 39406), (7442, 37791), (8398, 33489), (9333, 30134), (10431, 26962), (11163, 25194), (12597, 22326), (13481, 20862), (14274, 19703), (15067, 18666)]