84281220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5261}}^1$

素因数の和:5365

約数の個数: 72

約数和(自身を含む): 258574680

約数和(自身を除く): 174293460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5261, 5340, 8010, 10522, 15783, 16020, 21044, 26305, 31566, 47349, 52610, 63132, 78915, 94698, 105220, 157830, 189396, 236745, 315660, 468229, 473490, 936458, 946980, 1404687, 1872916, 2341145, 2809374, 4214061, 4682290, 5618748, 7023435, 8428122, 9364580, 14046870, 16856244, 21070305, 28093740, 42140610, 84281220]

約数ペア:

[(1, 84281220), (2, 42140610), (3, 28093740), (4, 21070305), (5, 16856244), (6, 14046870), (9, 9364580), (10, 8428122), (12, 7023435), (15, 5618748), (18, 4682290), (20, 4214061), (30, 2809374), (36, 2341145), (45, 1872916), (60, 1404687), (89, 946980), (90, 936458), (178, 473490), (180, 468229), (267, 315660), (356, 236745), (445, 189396), (534, 157830), (801, 105220), (890, 94698), (1068, 78915), (1335, 63132), (1602, 52610), (1780, 47349), (2670, 31566), (3204, 26305), (4005, 21044), (5261, 16020), (5340, 15783), (8010, 10522)]