1616793220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2801}}^1$

素因数の和:2874

約数の個数: 144

約数和(自身を含む): 4293112320

約数和(自身を除く): 2676319100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 49, 62, 70, 76, 95, 98, 124, 133, 140, 155, 190, 196, 217, 245, 266, 310, 380, 434, 490, 532, 589, 620, 665, 868, 931, 980, 1085, 1178, 1330, 1519, 1862, 2170, 2356, 2660, 2801, 2945, 3038, 3724, 4123, 4340, 4655, 5602, 5890, 6076, 7595, 8246, 9310, 11204, 11780, 14005, 15190, 16492, 18620, 19607, 20615, 28010, 28861, 30380, 39214, 41230, 53219, 56020, 57722, 78428, 82460, 86831, 98035, 106438, 115444, 137249, 144305, 173662, 196070, 212876, 266095, 274498, 288610, 347324, 372533, 392140, 434155, 532190, 548996, 577220, 607817, 686245, 745066, 868310, 1064380, 1215634, 1372490, 1490132, 1649789, 1736620, 1862665, 2431268, 2607731, 2744980, 3039085, 3299578, 3725330, 4254719, 5215462, 6078170, 6599156, 7450660, 8248945, 8509438, 10430924, 11548523, 12156340, 13038655, 16497890, 17018876, 21273595, 23097046, 26077310, 32995780, 42547190, 46194092, 52154620, 57742615, 80839661, 85094380, 115485230, 161679322, 230970460, 323358644, 404198305, 808396610, 1616793220]

約数ペア:

[(1, 1616793220), (2, 808396610), (4, 404198305), (5, 323358644), (7, 230970460), (10, 161679322), (14, 115485230), (19, 85094380), (20, 80839661), (28, 57742615), (31, 52154620), (35, 46194092), (38, 42547190), (49, 32995780), (62, 26077310), (70, 23097046), (76, 21273595), (95, 17018876), (98, 16497890), (124, 13038655), (133, 12156340), (140, 11548523), (155, 10430924), (190, 8509438), (196, 8248945), (217, 7450660), (245, 6599156), (266, 6078170), (310, 5215462), (380, 4254719), (434, 3725330), (490, 3299578), (532, 3039085), (589, 2744980), (620, 2607731), (665, 2431268), (868, 1862665), (931, 1736620), (980, 1649789), (1085, 1490132), (1178, 1372490), (1330, 1215634), (1519, 1064380), (1862, 868310), (2170, 745066), (2356, 686245), (2660, 607817), (2801, 577220), (2945, 548996), (3038, 532190), (3724, 434155), (4123, 392140), (4340, 372533), (4655, 347324), (5602, 288610), (5890, 274498), (6076, 266095), (7595, 212876), (8246, 196070), (9310, 173662), (11204, 144305), (11780, 137249), (14005, 115444), (15190, 106438), (16492, 98035), (18620, 86831), (19607, 82460), (20615, 78428), (28010, 57722), (28861, 56020), (30380, 53219), (39214, 41230)]