420100479840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1328087}}^1$

素因数の和:1328764

約数の個数: 96

約数和(自身を含む): 1325325576960

約数和(自身を除く): 905225097120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 659, 1318, 1977, 2636, 3295, 3954, 5272, 6590, 7908, 9885, 10544, 13180, 15816, 19770, 21088, 26360, 31632, 39540, 52720, 63264, 79080, 105440, 158160, 316320, 1328087, 2656174, 3984261, 5312348, 6640435, 7968522, 10624696, 13280870, 15937044, 19921305, 21249392, 26561740, 31874088, 39842610, 42498784, 53123480, 63748176, 79685220, 106246960, 127496352, 159370440, 212493920, 318740880, 637481760, 875209333, 1750418666, 2625627999, 3500837332, 4376046665, 5251255998, 7001674664, 8752093330, 10502511996, 13128139995, 14003349328, 17504186660, 21005023992, 26256279990, 28006698656, 35008373320, 42010047984, 52512559980, 70016746640, 84020095968, 105025119960, 140033493280, 210050239920, 420100479840]

約数ペア:

[(1, 420100479840), (2, 210050239920), (3, 140033493280), (4, 105025119960), (5, 84020095968), (6, 70016746640), (8, 52512559980), (10, 42010047984), (12, 35008373320), (15, 28006698656), (16, 26256279990), (20, 21005023992), (24, 17504186660), (30, 14003349328), (32, 13128139995), (40, 10502511996), (48, 8752093330), (60, 7001674664), (80, 5251255998), (96, 4376046665), (120, 3500837332), (160, 2625627999), (240, 1750418666), (480, 875209333), (659, 637481760), (1318, 318740880), (1977, 212493920), (2636, 159370440), (3295, 127496352), (3954, 106246960), (5272, 79685220), (6590, 63748176), (7908, 53123480), (9885, 42498784), (10544, 39842610), (13180, 31874088), (15816, 26561740), (19770, 21249392), (21088, 19921305), (26360, 15937044), (31632, 13280870), (39540, 10624696), (52720, 7968522), (63264, 6640435), (79080, 5312348), (105440, 3984261), (158160, 2656174), (316320, 1328087)]