216221460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^2$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 748895616

約数和(自身を除く): 532674156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 199, 210, 260, 273, 364, 390, 398, 420, 455, 546, 597, 780, 796, 910, 995, 1092, 1194, 1365, 1393, 1820, 1990, 2388, 2587, 2730, 2786, 2985, 3980, 4179, 5174, 5460, 5572, 5970, 6965, 7761, 8358, 10348, 11940, 12935, 13930, 15522, 16716, 18109, 20895, 25870, 27860, 31044, 36218, 38805, 39601, 41790, 51740, 54327, 72436, 77610, 79202, 83580, 90545, 108654, 118803, 155220, 158404, 181090, 198005, 217308, 237606, 271635, 277207, 362180, 396010, 475212, 514813, 543270, 554414, 594015, 792020, 831621, 1029626, 1086540, 1108828, 1188030, 1386035, 1544439, 1663242, 2059252, 2376060, 2574065, 2772070, 3088878, 3326484, 3603691, 4158105, 5148130, 5544140, 6177756, 7207382, 7722195, 8316210, 10296260, 10811073, 14414764, 15444390, 16632420, 18018455, 21622146, 30888780, 36036910, 43244292, 54055365, 72073820, 108110730, 216221460]

約数ペア:

[(1, 216221460), (2, 108110730), (3, 72073820), (4, 54055365), (5, 43244292), (6, 36036910), (7, 30888780), (10, 21622146), (12, 18018455), (13, 16632420), (14, 15444390), (15, 14414764), (20, 10811073), (21, 10296260), (26, 8316210), (28, 7722195), (30, 7207382), (35, 6177756), (39, 5544140), (42, 5148130), (52, 4158105), (60, 3603691), (65, 3326484), (70, 3088878), (78, 2772070), (84, 2574065), (91, 2376060), (105, 2059252), (130, 1663242), (140, 1544439), (156, 1386035), (182, 1188030), (195, 1108828), (199, 1086540), (210, 1029626), (260, 831621), (273, 792020), (364, 594015), (390, 554414), (398, 543270), (420, 514813), (455, 475212), (546, 396010), (597, 362180), (780, 277207), (796, 271635), (910, 237606), (995, 217308), (1092, 198005), (1194, 181090), (1365, 158404), (1393, 155220), (1820, 118803), (1990, 108654), (2388, 90545), (2587, 83580), (2730, 79202), (2786, 77610), (2985, 72436), (3980, 54327), (4179, 51740), (5174, 41790), (5460, 39601), (5572, 38805), (5970, 36218), (6965, 31044), (7761, 27860), (8358, 25870), (10348, 20895), (11940, 18109), (12935, 16716), (13930, 15522)]