81398850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^4\times {\mathrm{19}}^1$

素因数の和:86

約数の個数: 120

約数和(自身を含む): 230201040

約数和(自身を除く): 148802190

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 25, 26, 30, 38, 39, 50, 57, 65, 75, 78, 95, 114, 130, 150, 169, 190, 195, 247, 285, 325, 338, 390, 475, 494, 507, 570, 650, 741, 845, 950, 975, 1014, 1235, 1425, 1482, 1690, 1950, 2197, 2470, 2535, 2850, 3211, 3705, 4225, 4394, 5070, 6175, 6422, 6591, 7410, 8450, 9633, 10985, 12350, 12675, 13182, 16055, 18525, 19266, 21970, 25350, 28561, 32110, 32955, 37050, 41743, 48165, 54925, 57122, 65910, 80275, 83486, 85683, 96330, 109850, 125229, 142805, 160550, 164775, 171366, 208715, 240825, 250458, 285610, 329550, 417430, 428415, 481650, 542659, 626145, 714025, 856830, 1043575, 1085318, 1252290, 1428050, 1627977, 2087150, 2142075, 2713295, 3130725, 3255954, 4284150, 5426590, 6261450, 8139885, 13566475, 16279770, 27132950, 40699425, 81398850]

約数ペア:

[(1, 81398850), (2, 40699425), (3, 27132950), (5, 16279770), (6, 13566475), (10, 8139885), (13, 6261450), (15, 5426590), (19, 4284150), (25, 3255954), (26, 3130725), (30, 2713295), (38, 2142075), (39, 2087150), (50, 1627977), (57, 1428050), (65, 1252290), (75, 1085318), (78, 1043575), (95, 856830), (114, 714025), (130, 626145), (150, 542659), (169, 481650), (190, 428415), (195, 417430), (247, 329550), (285, 285610), (325, 250458), (338, 240825), (390, 208715), (475, 171366), (494, 164775), (507, 160550), (570, 142805), (650, 125229), (741, 109850), (845, 96330), (950, 85683), (975, 83486), (1014, 80275), (1235, 65910), (1425, 57122), (1482, 54925), (1690, 48165), (1950, 41743), (2197, 37050), (2470, 32955), (2535, 32110), (2850, 28561), (3211, 25350), (3705, 21970), (4225, 19266), (4394, 18525), (5070, 16055), (6175, 13182), (6422, 12675), (6591, 12350), (7410, 10985), (8450, 9633)]