720271188

素因数分解:

$2^2\times 3^2\times 7^4\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:692

約数の個数: 180

約数和(自身を含む): 2290960308

約数和(自身を除く): 1570689120

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 147, 156, 182, 196, 234, 252, 273, 294, 343, 364, 441, 468, 546, 588, 637, 641, 686, 819, 882, 1029, 1092, 1274, 1282, 1372, 1638, 1764, 1911, 1923, 2058, 2401, 2548, 2564, 3087, 3276, 3822, 3846, 4116, 4459, 4487, 4802, 5733, 5769, 6174, 7203, 7644, 7692, 8333, 8918, 8974, 9604, 11466, 11538, 12348, 13377, 13461, 14406, 16666, 17836, 17948, 21609, 22932, 23076, 24999, 26754, 26922, 28812, 31213, 31409, 33332, 40131, 40383, 43218, 49998, 53508, 53844, 58331, 62426, 62818, 74997, 80262, 80766, 86436, 93639, 94227, 99996, 116662, 124852, 125636, 149994, 160524, 161532, 174993, 187278, 188454, 219863, 233324, 280917, 282681, 299988, 349986, 374556, 376908, 408317, 439726, 524979, 561834, 565362, 659589, 699972, 816634, 879452, 1049958, 1123668, 1130724, 1224951, 1319178, 1539041, 1633268, 1978767, 2099916, 2449902, 2638356, 2858219, 3078082, 3674853, 3957534, 4617123, 4899804, 5716438, 6156164, 7349706, 7915068, 8574657, 9234246, 11432876, 13851369, 14699412, 17149314, 18468492, 20007533, 25723971, 27702738, 34298628, 40015066, 51447942, 55405476, 60022599, 80030132, 102895884, 120045198, 180067797, 240090396, 360135594, 720271188]

約数ペア:

[(1, 720271188), (2, 360135594), (3, 240090396), (4, 180067797), (6, 120045198), (7, 102895884), (9, 80030132), (12, 60022599), (13, 55405476), (14, 51447942), (18, 40015066), (21, 34298628), (26, 27702738), (28, 25723971), (36, 20007533), (39, 18468492), (42, 17149314), (49, 14699412), (52, 13851369), (63, 11432876), (78, 9234246), (84, 8574657), (91, 7915068), (98, 7349706), (117, 6156164), (126, 5716438), (147, 4899804), (156, 4617123), (182, 3957534), (196, 3674853), (234, 3078082), (252, 2858219), (273, 2638356), (294, 2449902), (343, 2099916), (364, 1978767), (441, 1633268), (468, 1539041), (546, 1319178), (588, 1224951), (637, 1130724), (641, 1123668), (686, 1049958), (819, 879452), (882, 816634), (1029, 699972), (1092, 659589), (1274, 565362), (1282, 561834), (1372, 524979), (1638, 439726), (1764, 408317), (1911, 376908), (1923, 374556), (2058, 349986), (2401, 299988), (2548, 282681), (2564, 280917), (3087, 233324), (3276, 219863), (3822, 188454), (3846, 187278), (4116, 174993), (4459, 161532), (4487, 160524), (4802, 149994), (5733, 125636), (5769, 124852), (6174, 116662), (7203, 99996), (7644, 94227), (7692, 93639), (8333, 86436), (8918, 80766), (8974, 80262), (9604, 74997), (11466, 62818), (11538, 62426), (12348, 58331), (13377, 53844), (13461, 53508), (14406, 49998), (16666, 43218), (17836, 40383), (17948, 40131), (21609, 33332), (22932, 31409), (23076, 31213), (24999, 28812), (26754, 26922)]