About the Number

72427920

72427919 ← → 72427921

2進数表記:100010100010010100110010000

漢数字表記:七千二百四十二万七千九百二十

素因数分解:

2 4 × 3 1 × 5 1 × 23 1 × 13121 1

素因数の和:13160
約数の個数: 80
約数和(自身を含む): 234306432
約数和(自身を除く): 161878512

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 13121, 26242, 39363, 52484, 65605, 78726, 104968, 131210, 157452, 196815, 209936, 262420, 301783, 314904, 393630, 524840, 603566, 629808, 787260, 905349, 1049680, 1207132, 1508915, 1574520, 1810698, 2414264, 3017830, 3149040, 3621396, 4526745, 4828528, 6035660, 7242792, 9053490, 12071320, 14485584, 18106980, 24142640, 36213960, 72427920]

約数ペア:
[(1, 72427920), (2, 36213960), (3, 24142640), (4, 18106980), (5, 14485584), (6, 12071320), (8, 9053490), (10, 7242792), (12, 6035660), (15, 4828528), (16, 4526745), (20, 3621396), (23, 3149040), (24, 3017830), (30, 2414264), (40, 1810698), (46, 1574520), (48, 1508915), (60, 1207132), (69, 1049680), (80, 905349), (92, 787260), (115, 629808), (120, 603566), (138, 524840), (184, 393630), (230, 314904), (240, 301783), (276, 262420), (345, 209936), (368, 196815), (460, 157452), (552, 131210), (690, 104968), (920, 78726), (1104, 65605), (1380, 52484), (1840, 39363), (2760, 26242), (5520, 13121)]

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