82219980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^2\times {\mathrm{173}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 234177552

約数和(自身を除く): 151957572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 173, 178, 267, 346, 356, 445, 519, 534, 692, 865, 890, 1038, 1068, 1335, 1730, 1780, 2076, 2595, 2670, 3460, 5190, 5340, 7921, 10380, 15397, 15842, 23763, 30794, 31684, 39605, 46191, 47526, 61588, 76985, 79210, 92382, 95052, 118815, 153970, 158420, 184764, 230955, 237630, 307940, 461910, 475260, 923820, 1370333, 2740666, 4110999, 5481332, 6851665, 8221998, 13703330, 16443996, 20554995, 27406660, 41109990, 82219980]

約数ペア:

[(1, 82219980), (2, 41109990), (3, 27406660), (4, 20554995), (5, 16443996), (6, 13703330), (10, 8221998), (12, 6851665), (15, 5481332), (20, 4110999), (30, 2740666), (60, 1370333), (89, 923820), (173, 475260), (178, 461910), (267, 307940), (346, 237630), (356, 230955), (445, 184764), (519, 158420), (534, 153970), (692, 118815), (865, 95052), (890, 92382), (1038, 79210), (1068, 76985), (1335, 61588), (1730, 47526), (1780, 46191), (2076, 39605), (2595, 31684), (2670, 30794), (3460, 23763), (5190, 15842), (5340, 15397), (7921, 10380)]