247631940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1187}}^1$

素因数の和:1282

約数の個数: 144

約数和(自身を含む): 804323520

約数和(自身を除く): 556691580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 61, 76, 90, 95, 114, 122, 171, 180, 183, 190, 228, 244, 285, 305, 342, 366, 380, 549, 570, 610, 684, 732, 855, 915, 1098, 1140, 1159, 1187, 1220, 1710, 1830, 2196, 2318, 2374, 2745, 3420, 3477, 3561, 3660, 4636, 4748, 5490, 5795, 5935, 6954, 7122, 10431, 10683, 10980, 11590, 11870, 13908, 14244, 17385, 17805, 20862, 21366, 22553, 23180, 23740, 34770, 35610, 41724, 42732, 45106, 52155, 53415, 67659, 69540, 71220, 72407, 90212, 104310, 106830, 112765, 135318, 144814, 202977, 208620, 213660, 217221, 225530, 270636, 289628, 338295, 362035, 405954, 434442, 451060, 651663, 676590, 724070, 811908, 868884, 1014885, 1086105, 1303326, 1353180, 1375733, 1448140, 2029770, 2172210, 2606652, 2751466, 3258315, 4059540, 4127199, 4344420, 5502932, 6516630, 6878665, 8254398, 12381597, 13033260, 13757330, 16508796, 20635995, 24763194, 27514660, 41271990, 49526388, 61907985, 82543980, 123815970, 247631940]

約数ペア:

[(1, 247631940), (2, 123815970), (3, 82543980), (4, 61907985), (5, 49526388), (6, 41271990), (9, 27514660), (10, 24763194), (12, 20635995), (15, 16508796), (18, 13757330), (19, 13033260), (20, 12381597), (30, 8254398), (36, 6878665), (38, 6516630), (45, 5502932), (57, 4344420), (60, 4127199), (61, 4059540), (76, 3258315), (90, 2751466), (95, 2606652), (114, 2172210), (122, 2029770), (171, 1448140), (180, 1375733), (183, 1353180), (190, 1303326), (228, 1086105), (244, 1014885), (285, 868884), (305, 811908), (342, 724070), (366, 676590), (380, 651663), (549, 451060), (570, 434442), (610, 405954), (684, 362035), (732, 338295), (855, 289628), (915, 270636), (1098, 225530), (1140, 217221), (1159, 213660), (1187, 208620), (1220, 202977), (1710, 144814), (1830, 135318), (2196, 112765), (2318, 106830), (2374, 104310), (2745, 90212), (3420, 72407), (3477, 71220), (3561, 69540), (3660, 67659), (4636, 53415), (4748, 52155), (5490, 45106), (5795, 42732), (5935, 41724), (6954, 35610), (7122, 34770), (10431, 23740), (10683, 23180), (10980, 22553), (11590, 21366), (11870, 20862), (13908, 17805), (14244, 17385)]