1220758920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109387}}^1$

素因数の和:109435

約数の個数: 96

約数和(自身を含む): 4095486720

約数和(自身を除く): 2874727800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 11160, 109387, 218774, 328161, 437548, 546935, 656322, 875096, 984483, 1093870, 1312644, 1640805, 1968966, 2187740, 2625288, 3281610, 3390997, 3937932, 4375480, 4922415, 6563220, 6781994, 7875864, 9844830, 10172991, 13126440, 13563988, 16954985, 19689660, 20345982, 27127976, 30518973, 33909970, 39379320, 40691964, 50864955, 61037946, 67819940, 81383928, 101729910, 122075892, 135639880, 152594865, 203459820, 244151784, 305189730, 406919640, 610379460, 1220758920]

約数ペア:

[(1, 1220758920), (2, 610379460), (3, 406919640), (4, 305189730), (5, 244151784), (6, 203459820), (8, 152594865), (9, 135639880), (10, 122075892), (12, 101729910), (15, 81383928), (18, 67819940), (20, 61037946), (24, 50864955), (30, 40691964), (31, 39379320), (36, 33909970), (40, 30518973), (45, 27127976), (60, 20345982), (62, 19689660), (72, 16954985), (90, 13563988), (93, 13126440), (120, 10172991), (124, 9844830), (155, 7875864), (180, 6781994), (186, 6563220), (248, 4922415), (279, 4375480), (310, 3937932), (360, 3390997), (372, 3281610), (465, 2625288), (558, 2187740), (620, 1968966), (744, 1640805), (930, 1312644), (1116, 1093870), (1240, 984483), (1395, 875096), (1860, 656322), (2232, 546935), (2790, 437548), (3720, 328161), (5580, 218774), (11160, 109387)]