30723420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:380

約数の個数: 192

約数和(自身を含む): 112444416

約数和(自身を除く): 81720996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 26, 28, 30, 34, 35, 39, 42, 51, 52, 60, 65, 68, 70, 78, 84, 85, 91, 102, 105, 119, 130, 140, 156, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 331, 340, 357, 364, 390, 420, 442, 455, 476, 510, 546, 595, 662, 663, 714, 780, 884, 910, 993, 1020, 1092, 1105, 1190, 1324, 1326, 1365, 1428, 1547, 1655, 1785, 1820, 1986, 2210, 2317, 2380, 2652, 2730, 3094, 3310, 3315, 3570, 3972, 4303, 4420, 4634, 4641, 4965, 5460, 5627, 6188, 6620, 6630, 6951, 7140, 7735, 8606, 9268, 9282, 9930, 11254, 11585, 12909, 13260, 13902, 15470, 16881, 17212, 18564, 19860, 21515, 22508, 23170, 23205, 25818, 27804, 28135, 30121, 30940, 33762, 34755, 39389, 43030, 46340, 46410, 51636, 56270, 60242, 64545, 67524, 69510, 73151, 78778, 84405, 86060, 90363, 92820, 112540, 118167, 120484, 129090, 139020, 146302, 150605, 157556, 168810, 180726, 196945, 219453, 236334, 258180, 292604, 301210, 337620, 361452, 365755, 393890, 438906, 451815, 472668, 512057, 590835, 602420, 731510, 787780, 877812, 903630, 1024114, 1097265, 1181670, 1463020, 1536171, 1807260, 2048228, 2194530, 2363340, 2560285, 3072342, 4389060, 5120570, 6144684, 7680855, 10241140, 15361710, 30723420]

約数ペア:

[(1, 30723420), (2, 15361710), (3, 10241140), (4, 7680855), (5, 6144684), (6, 5120570), (7, 4389060), (10, 3072342), (12, 2560285), (13, 2363340), (14, 2194530), (15, 2048228), (17, 1807260), (20, 1536171), (21, 1463020), (26, 1181670), (28, 1097265), (30, 1024114), (34, 903630), (35, 877812), (39, 787780), (42, 731510), (51, 602420), (52, 590835), (60, 512057), (65, 472668), (68, 451815), (70, 438906), (78, 393890), (84, 365755), (85, 361452), (91, 337620), (102, 301210), (105, 292604), (119, 258180), (130, 236334), (140, 219453), (156, 196945), (170, 180726), (182, 168810), (195, 157556), (204, 150605), (210, 146302), (221, 139020), (238, 129090), (255, 120484), (260, 118167), (273, 112540), (331, 92820), (340, 90363), (357, 86060), (364, 84405), (390, 78778), (420, 73151), (442, 69510), (455, 67524), (476, 64545), (510, 60242), (546, 56270), (595, 51636), (662, 46410), (663, 46340), (714, 43030), (780, 39389), (884, 34755), (910, 33762), (993, 30940), (1020, 30121), (1092, 28135), (1105, 27804), (1190, 25818), (1324, 23205), (1326, 23170), (1365, 22508), (1428, 21515), (1547, 19860), (1655, 18564), (1785, 17212), (1820, 16881), (1986, 15470), (2210, 13902), (2317, 13260), (2380, 12909), (2652, 11585), (2730, 11254), (3094, 9930), (3310, 9282), (3315, 9268), (3570, 8606), (3972, 7735), (4303, 7140), (4420, 6951), (4634, 6630), (4641, 6620), (4965, 6188), (5460, 5627)]